Home / 23,545.36-32,478.20-13,978.76

Finding the Fourth Proportional to 23,545.36, 32,478.20 and 13,978.76

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Solution

The fourth proportional to 23,545.36, 32,478.20 and 13,978.76 is: 19,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,545.36 : 32,478.20 = 13,978.76 : x
  2. Step 2: Convert to fraction form
    23,545.36/32,478.20 = 13,978.76/x
  3. Step 3: Cross multiply
    23,545.36x = 32,478.20 × 13,978.76
  4. Step 4: Simplify right side
    23,545.36x = 454,004,963.03
  5. Step 5: Solve for x
    x = 454,004,963.03/23,545.36
  6. Step 6: Final answer
    x = 19,282.14

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Double scale
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Similar ratio
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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.