Home / 19,432.48-26,821.20-11,049.76

Finding the Fourth Proportional to 19,432.48, 26,821.20 and 11,049.76

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Solution

The fourth proportional to 19,432.48, 26,821.20 and 11,049.76 is: 15,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.48 : 26,821.20 = 11,049.76 : x
  2. Step 2: Convert to fraction form
    19,432.48/26,821.20 = 11,049.76/x
  3. Step 3: Cross multiply
    19,432.48x = 26,821.20 × 11,049.76
  4. Step 4: Simplify right side
    19,432.48x = 296,367,822.91
  5. Step 5: Solve for x
    x = 296,367,822.91/19,432.48
  6. Step 6: Final answer
    x = 15,251.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.