Home / 25,047.50-34,565.79-13,869.74

Finding the Fourth Proportional to 25,047.50, 34,565.79 and 13,869.74

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Solution

The fourth proportional to 25,047.50, 34,565.79 and 13,869.74 is: 19,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.50 : 34,565.79 = 13,869.74 : x
  2. Step 2: Convert to fraction form
    25,047.50/34,565.79 = 13,869.74/x
  3. Step 3: Cross multiply
    25,047.50x = 34,565.79 × 13,869.74
  4. Step 4: Simplify right side
    25,047.50x = 479,418,520.19
  5. Step 5: Solve for x
    x = 479,418,520.19/25,047.50
  6. Step 6: Final answer
    x = 19,140.37

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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.