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Finding the Fourth Proportional to 32,625.76, 45,023.56 and 17,721.76

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Solution

The fourth proportional to 32,625.76, 45,023.56 and 17,721.76 is: 24,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,625.76 : 45,023.56 = 17,721.76 : x
  2. Step 2: Convert to fraction form
    32,625.76/45,023.56 = 17,721.76/x
  3. Step 3: Cross multiply
    32,625.76x = 45,023.56 × 17,721.76
  4. Step 4: Simplify right side
    32,625.76x = 797,896,724.67
  5. Step 5: Solve for x
    x = 797,896,724.67/32,625.76
  6. Step 6: Final answer
    x = 24,456.03

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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.