Home / 25,436.28-38,109.24-21,700.65

Finding the Fourth Proportional to 25,436.28, 38,109.24 and 21,700.65

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Solution

The fourth proportional to 25,436.28, 38,109.24 and 21,700.65 is: 32,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.28 : 38,109.24 = 21,700.65 : x
  2. Step 2: Convert to fraction form
    25,436.28/38,109.24 = 21,700.65/x
  3. Step 3: Cross multiply
    25,436.28x = 38,109.24 × 21,700.65
  4. Step 4: Simplify right side
    25,436.28x = 826,995,279.01
  5. Step 5: Solve for x
    x = 826,995,279.01/25,436.28
  6. Step 6: Final answer
    x = 32,512.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.