Home / 27,637.68-38,140.92-15,062.88

Finding the Fourth Proportional to 27,637.68, 38,140.92 and 15,062.88

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Solution

The fourth proportional to 27,637.68, 38,140.92 and 15,062.88 is: 20,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.68 : 38,140.92 = 15,062.88 : x
  2. Step 2: Convert to fraction form
    27,637.68/38,140.92 = 15,062.88/x
  3. Step 3: Cross multiply
    27,637.68x = 38,140.92 × 15,062.88
  4. Step 4: Simplify right side
    27,637.68x = 574,512,101.05
  5. Step 5: Solve for x
    x = 574,512,101.05/27,637.68
  6. Step 6: Final answer
    x = 20,787.28

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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.