Home / 27,701.24-38,214.63-20,144.25

Finding the Fourth Proportional to 27,701.24, 38,214.63 and 20,144.25

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Solution

The fourth proportional to 27,701.24, 38,214.63 and 20,144.25 is: 27,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.24 : 38,214.63 = 20,144.25 : x
  2. Step 2: Convert to fraction form
    27,701.24/38,214.63 = 20,144.25/x
  3. Step 3: Cross multiply
    27,701.24x = 38,214.63 × 20,144.25
  4. Step 4: Simplify right side
    27,701.24x = 769,805,060.38
  5. Step 5: Solve for x
    x = 769,805,060.38/27,701.24
  6. Step 6: Final answer
    x = 27,789.56

Related Problems

Find fourth proportional to 13,850.62, 19,107.32 and 10,072.13
Half scale
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Double scale
Find fourth proportional to 27,702.24, 38,216.01 and 20,145.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.