Home / 27,278.34-40,867.11-14,116.74

Finding the Fourth Proportional to 27,278.34, 40,867.11 and 14,116.74

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Solution

The fourth proportional to 27,278.34, 40,867.11 and 14,116.74 is: 21,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.34 : 40,867.11 = 14,116.74 : x
  2. Step 2: Convert to fraction form
    27,278.34/40,867.11 = 14,116.74/x
  3. Step 3: Cross multiply
    27,278.34x = 40,867.11 × 14,116.74
  4. Step 4: Simplify right side
    27,278.34x = 576,910,366.42
  5. Step 5: Solve for x
    x = 576,910,366.42/27,278.34
  6. Step 6: Final answer
    x = 21,149.03

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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.