Home / 25,138.57-34,691.65-13,808.54

Finding the Fourth Proportional to 25,138.57, 34,691.65 and 13,808.54

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Solution

The fourth proportional to 25,138.57, 34,691.65 and 13,808.54 is: 19,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.57 : 34,691.65 = 13,808.54 : x
  2. Step 2: Convert to fraction form
    25,138.57/34,691.65 = 13,808.54/x
  3. Step 3: Cross multiply
    25,138.57x = 34,691.65 × 13,808.54
  4. Step 4: Simplify right side
    25,138.57x = 479,041,153.95
  5. Step 5: Solve for x
    x = 479,041,153.95/25,138.57
  6. Step 6: Final answer
    x = 19,056.02

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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.