Home / 26,947.52-40,425.78-12,156.11

Finding the Fourth Proportional to 26,947.52, 40,425.78 and 12,156.11

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Solution

The fourth proportional to 26,947.52, 40,425.78 and 12,156.11 is: 18,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.52 : 40,425.78 = 12,156.11 : x
  2. Step 2: Convert to fraction form
    26,947.52/40,425.78 = 12,156.11/x
  3. Step 3: Cross multiply
    26,947.52x = 40,425.78 × 12,156.11
  4. Step 4: Simplify right side
    26,947.52x = 491,420,228.52
  5. Step 5: Solve for x
    x = 491,420,228.52/26,947.52
  6. Step 6: Final answer
    x = 18,236.19

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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.