Home / 28,028.28-38,677.50-15,452.04

Finding the Fourth Proportional to 28,028.28, 38,677.50 and 15,452.04

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Solution

The fourth proportional to 28,028.28, 38,677.50 and 15,452.04 is: 21,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.28 : 38,677.50 = 15,452.04 : x
  2. Step 2: Convert to fraction form
    28,028.28/38,677.50 = 15,452.04/x
  3. Step 3: Cross multiply
    28,028.28x = 38,677.50 × 15,452.04
  4. Step 4: Simplify right side
    28,028.28x = 597,646,277.10
  5. Step 5: Solve for x
    x = 597,646,277.10/28,028.28
  6. Step 6: Final answer
    x = 21,322.97

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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.