Home / 26,472.38-39,712.40-8,947.22

Finding the Fourth Proportional to 26,472.38, 39,712.40 and 8,947.22

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Solution

The fourth proportional to 26,472.38, 39,712.40 and 8,947.22 is: 13,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.38 : 39,712.40 = 8,947.22 : x
  2. Step 2: Convert to fraction form
    26,472.38/39,712.40 = 8,947.22/x
  3. Step 3: Cross multiply
    26,472.38x = 39,712.40 × 8,947.22
  4. Step 4: Simplify right side
    26,472.38x = 355,315,579.53
  5. Step 5: Solve for x
    x = 355,315,579.53/26,472.38
  6. Step 6: Final answer
    x = 13,422.12

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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.