Home / 28,114.38-38,797.85-15,539.13

Finding the Fourth Proportional to 28,114.38, 38,797.85 and 15,539.13

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Solution

The fourth proportional to 28,114.38, 38,797.85 and 15,539.13 is: 21,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.38 : 38,797.85 = 15,539.13 : x
  2. Step 2: Convert to fraction form
    28,114.38/38,797.85 = 15,539.13/x
  3. Step 3: Cross multiply
    28,114.38x = 38,797.85 × 15,539.13
  4. Step 4: Simplify right side
    28,114.38x = 602,884,834.87
  5. Step 5: Solve for x
    x = 602,884,834.87/28,114.38
  6. Step 6: Final answer
    x = 21,444.00

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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.