Home / 27,710.44-38,240.34-15,135.16

Finding the Fourth Proportional to 27,710.44, 38,240.34 and 15,135.16

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Solution

The fourth proportional to 27,710.44, 38,240.34 and 15,135.16 is: 20,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.44 : 38,240.34 = 15,135.16 : x
  2. Step 2: Convert to fraction form
    27,710.44/38,240.34 = 15,135.16/x
  3. Step 3: Cross multiply
    27,710.44x = 38,240.34 × 15,135.16
  4. Step 4: Simplify right side
    27,710.44x = 578,773,664.35
  5. Step 5: Solve for x
    x = 578,773,664.35/27,710.44
  6. Step 6: Final answer
    x = 20,886.48

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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.