Home / 25,021.89-34,529.85-13,691.16

Finding the Fourth Proportional to 25,021.89, 34,529.85 and 13,691.16

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Solution

The fourth proportional to 25,021.89, 34,529.85 and 13,691.16 is: 18,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.89 : 34,529.85 = 13,691.16 : x
  2. Step 2: Convert to fraction form
    25,021.89/34,529.85 = 13,691.16/x
  3. Step 3: Cross multiply
    25,021.89x = 34,529.85 × 13,691.16
  4. Step 4: Simplify right side
    25,021.89x = 472,753,701.13
  5. Step 5: Solve for x
    x = 472,753,701.13/25,021.89
  6. Step 6: Final answer
    x = 18,893.60

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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.