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Finding the Fourth Proportional to 22,663.60, 33,925.36 and 22,331.47

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Solution

The fourth proportional to 22,663.60, 33,925.36 and 22,331.47 is: 33,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.60 : 33,925.36 = 22,331.47 : x
  2. Step 2: Convert to fraction form
    22,663.60/33,925.36 = 22,331.47/x
  3. Step 3: Cross multiply
    22,663.60x = 33,925.36 × 22,331.47
  4. Step 4: Simplify right side
    22,663.60x = 757,603,159.08
  5. Step 5: Solve for x
    x = 757,603,159.08/22,663.60
  6. Step 6: Final answer
    x = 33,428.19

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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.