Home / 25,351.72-38,033.80-8,711.99

Finding the Fourth Proportional to 25,351.72, 38,033.80 and 8,711.99

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Solution

The fourth proportional to 25,351.72, 38,033.80 and 8,711.99 is: 13,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.72 : 38,033.80 = 8,711.99 : x
  2. Step 2: Convert to fraction form
    25,351.72/38,033.80 = 8,711.99/x
  3. Step 3: Cross multiply
    25,351.72x = 38,033.80 × 8,711.99
  4. Step 4: Simplify right side
    25,351.72x = 331,349,873.31
  5. Step 5: Solve for x
    x = 331,349,873.31/25,351.72
  6. Step 6: Final answer
    x = 13,070.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.