Home / 22,601.61-31,202.63-15,442.29

Finding the Fourth Proportional to 22,601.61, 31,202.63 and 15,442.29

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Solution

The fourth proportional to 22,601.61, 31,202.63 and 15,442.29 is: 21,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.61 : 31,202.63 = 15,442.29 : x
  2. Step 2: Convert to fraction form
    22,601.61/31,202.63 = 15,442.29/x
  3. Step 3: Cross multiply
    22,601.61x = 31,202.63 × 15,442.29
  4. Step 4: Simplify right side
    22,601.61x = 481,840,061.22
  5. Step 5: Solve for x
    x = 481,840,061.22/22,601.61
  6. Step 6: Final answer
    x = 21,318.84

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Half 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.