Home / 22,589.55-31,171.05-12,515.48

Finding the Fourth Proportional to 22,589.55, 31,171.05 and 12,515.48

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Solution

The fourth proportional to 22,589.55, 31,171.05 and 12,515.48 is: 17,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.55 : 31,171.05 = 12,515.48 : x
  2. Step 2: Convert to fraction form
    22,589.55/31,171.05 = 12,515.48/x
  3. Step 3: Cross multiply
    22,589.55x = 31,171.05 × 12,515.48
  4. Step 4: Simplify right side
    22,589.55x = 390,120,497.00
  5. Step 5: Solve for x
    x = 390,120,497.00/22,589.55
  6. Step 6: Final answer
    x = 17,269.95

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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.