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Finding the Fourth Proportional to 64,377, 96,561.18 and 17,630.28

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Solution

The fourth proportional to 64,377, 96,561.18 and 17,630.28 is: 26,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,377 : 96,561.18 = 17,630.28 : x
  2. Step 2: Convert to fraction form
    64,377/96,561.18 = 17,630.28/x
  3. Step 3: Cross multiply
    64,377x = 96,561.18 × 17,630.28
  4. Step 4: Simplify right side
    64,377x = 1,702,400,640.53
  5. Step 5: Solve for x
    x = 1,702,400,640.53/64,377
  6. Step 6: Final answer
    x = 26,444.24

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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.