Home / 27,382.90-37,789.55-15,446.23

Finding the Fourth Proportional to 27,382.90, 37,789.55 and 15,446.23

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Solution

The fourth proportional to 27,382.90, 37,789.55 and 15,446.23 is: 21,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.90 : 37,789.55 = 15,446.23 : x
  2. Step 2: Convert to fraction form
    27,382.90/37,789.55 = 15,446.23/x
  3. Step 3: Cross multiply
    27,382.90x = 37,789.55 × 15,446.23
  4. Step 4: Simplify right side
    27,382.90x = 583,706,029.96
  5. Step 5: Solve for x
    x = 583,706,029.96/27,382.90
  6. Step 6: Final answer
    x = 21,316.45

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Half scale
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Double scale
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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.