Home / 22,772.35-31,424.61-12,701.62

Finding the Fourth Proportional to 22,772.35, 31,424.61 and 12,701.62

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Solution

The fourth proportional to 22,772.35, 31,424.61 and 12,701.62 is: 17,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.35 : 31,424.61 = 12,701.62 : x
  2. Step 2: Convert to fraction form
    22,772.35/31,424.61 = 12,701.62/x
  3. Step 3: Cross multiply
    22,772.35x = 31,424.61 × 12,701.62
  4. Step 4: Simplify right side
    22,772.35x = 399,143,454.87
  5. Step 5: Solve for x
    x = 399,143,454.87/22,772.35
  6. Step 6: Final answer
    x = 17,527.55

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Half scale
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Double scale
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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.