Home / 31,843.90-47,693.02-15,215.61

Finding the Fourth Proportional to 31,843.90, 47,693.02 and 15,215.61

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Solution

The fourth proportional to 31,843.90, 47,693.02 and 15,215.61 is: 22,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.90 : 47,693.02 = 15,215.61 : x
  2. Step 2: Convert to fraction form
    31,843.90/47,693.02 = 15,215.61/x
  3. Step 3: Cross multiply
    31,843.90x = 47,693.02 × 15,215.61
  4. Step 4: Simplify right side
    31,843.90x = 725,678,392.04
  5. Step 5: Solve for x
    x = 725,678,392.04/31,843.90
  6. Step 6: Final answer
    x = 22,788.62

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1.5x scale

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.