Home / 25,167.14-34,716.32-15,602.66

Finding the Fourth Proportional to 25,167.14, 34,716.32 and 15,602.66

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Solution

The fourth proportional to 25,167.14, 34,716.32 and 15,602.66 is: 21,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.14 : 34,716.32 = 15,602.66 : x
  2. Step 2: Convert to fraction form
    25,167.14/34,716.32 = 15,602.66/x
  3. Step 3: Cross multiply
    25,167.14x = 34,716.32 × 15,602.66
  4. Step 4: Simplify right side
    25,167.14x = 541,666,937.41
  5. Step 5: Solve for x
    x = 541,666,937.41/25,167.14
  6. Step 6: Final answer
    x = 21,522.78

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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.