Home / 26,713.28-40,082.52-11,920.88

Finding the Fourth Proportional to 26,713.28, 40,082.52 and 11,920.88

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Solution

The fourth proportional to 26,713.28, 40,082.52 and 11,920.88 is: 17,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.28 : 40,082.52 = 11,920.88 : x
  2. Step 2: Convert to fraction form
    26,713.28/40,082.52 = 11,920.88/x
  3. Step 3: Cross multiply
    26,713.28x = 40,082.52 × 11,920.88
  4. Step 4: Simplify right side
    26,713.28x = 477,818,911.02
  5. Step 5: Solve for x
    x = 477,818,911.02/26,713.28
  6. Step 6: Final answer
    x = 17,886.94

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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.