Home / 25,248.74-34,839.18-15,174.77

Finding the Fourth Proportional to 25,248.74, 34,839.18 and 15,174.77

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Solution

The fourth proportional to 25,248.74, 34,839.18 and 15,174.77 is: 20,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,248.74 : 34,839.18 = 15,174.77 : x
  2. Step 2: Convert to fraction form
    25,248.74/34,839.18 = 15,174.77/x
  3. Step 3: Cross multiply
    25,248.74x = 34,839.18 × 15,174.77
  4. Step 4: Simplify right side
    25,248.74x = 528,676,369.29
  5. Step 5: Solve for x
    x = 528,676,369.29/25,248.74
  6. Step 6: Final answer
    x = 20,938.73

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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.