Home / 25,177.26-34,744.02-13,691.87

Finding the Fourth Proportional to 25,177.26, 34,744.02 and 13,691.87

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Solution

The fourth proportional to 25,177.26, 34,744.02 and 13,691.87 is: 18,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.26 : 34,744.02 = 13,691.87 : x
  2. Step 2: Convert to fraction form
    25,177.26/34,744.02 = 13,691.87/x
  3. Step 3: Cross multiply
    25,177.26x = 34,744.02 × 13,691.87
  4. Step 4: Simplify right side
    25,177.26x = 475,710,431.40
  5. Step 5: Solve for x
    x = 475,710,431.40/25,177.26
  6. Step 6: Final answer
    x = 18,894.45

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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.