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Finding the Fourth Proportional to 64,637.92, 96,959 and 17,886.88

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Solution

The fourth proportional to 64,637.92, 96,959 and 17,886.88 is: 26,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,637.92 : 96,959 = 17,886.88 : x
  2. Step 2: Convert to fraction form
    64,637.92/96,959 = 17,886.88/x
  3. Step 3: Cross multiply
    64,637.92x = 96,959 × 17,886.88
  4. Step 4: Simplify right side
    64,637.92x = 1,734,293,997.92
  5. Step 5: Solve for x
    x = 1,734,293,997.92/64,637.92
  6. Step 6: Final answer
    x = 26,830.91

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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.