Home / 25,101.42-34,639.11-14,490.78

Finding the Fourth Proportional to 25,101.42, 34,639.11 and 14,490.78

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Solution

The fourth proportional to 25,101.42, 34,639.11 and 14,490.78 is: 19,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.42 : 34,639.11 = 14,490.78 : x
  2. Step 2: Convert to fraction form
    25,101.42/34,639.11 = 14,490.78/x
  3. Step 3: Cross multiply
    25,101.42x = 34,639.11 × 14,490.78
  4. Step 4: Simplify right side
    25,101.42x = 501,947,722.41
  5. Step 5: Solve for x
    x = 501,947,722.41/25,101.42
  6. Step 6: Final answer
    x = 19,996.79

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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.