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Finding the Fourth Proportional to 28,445.01, 42,672.48 and 9,726.92

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Solution

The fourth proportional to 28,445.01, 42,672.48 and 9,726.92 is: 14,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.01 : 42,672.48 = 9,726.92 : x
  2. Step 2: Convert to fraction form
    28,445.01/42,672.48 = 9,726.92/x
  3. Step 3: Cross multiply
    28,445.01x = 42,672.48 × 9,726.92
  4. Step 4: Simplify right side
    28,445.01x = 415,071,750.53
  5. Step 5: Solve for x
    x = 415,071,750.53/28,445.01
  6. Step 6: Final answer
    x = 14,592.08

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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.