Home / 25,242.71-37,864.67-12,080.61

Finding the Fourth Proportional to 25,242.71, 37,864.67 and 12,080.61

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Solution

The fourth proportional to 25,242.71, 37,864.67 and 12,080.61 is: 18,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.71 : 37,864.67 = 12,080.61 : x
  2. Step 2: Convert to fraction form
    25,242.71/37,864.67 = 12,080.61/x
  3. Step 3: Cross multiply
    25,242.71x = 37,864.67 × 12,080.61
  4. Step 4: Simplify right side
    25,242.71x = 457,428,250.65
  5. Step 5: Solve for x
    x = 457,428,250.65/25,242.71
  6. Step 6: Final answer
    x = 18,121.21

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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.