Home / 21,356.76-32,035.14-10,961.88

Finding the Fourth Proportional to 21,356.76, 32,035.14 and 10,961.88

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Solution

The fourth proportional to 21,356.76, 32,035.14 and 10,961.88 is: 16,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.76 : 32,035.14 = 10,961.88 : x
  2. Step 2: Convert to fraction form
    21,356.76/32,035.14 = 10,961.88/x
  3. Step 3: Cross multiply
    21,356.76x = 32,035.14 × 10,961.88
  4. Step 4: Simplify right side
    21,356.76x = 351,165,360.46
  5. Step 5: Solve for x
    x = 351,165,360.46/21,356.76
  6. Step 6: Final answer
    x = 16,442.82

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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.