Home / 21,518.66-32,278.95-6,727.88

Finding the Fourth Proportional to 21,518.66, 32,278.95 and 6,727.88

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Solution

The fourth proportional to 21,518.66, 32,278.95 and 6,727.88 is: 10,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.66 : 32,278.95 = 6,727.88 : x
  2. Step 2: Convert to fraction form
    21,518.66/32,278.95 = 6,727.88/x
  3. Step 3: Cross multiply
    21,518.66x = 32,278.95 × 6,727.88
  4. Step 4: Simplify right side
    21,518.66x = 217,168,902.13
  5. Step 5: Solve for x
    x = 217,168,902.13/21,518.66
  6. Step 6: Final answer
    x = 10,092.12

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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.