Home / 26,641.18-39,961.76-7,921.13

Finding the Fourth Proportional to 26,641.18, 39,961.76 and 7,921.13

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Solution

The fourth proportional to 26,641.18, 39,961.76 and 7,921.13 is: 11,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.18 : 39,961.76 = 7,921.13 : x
  2. Step 2: Convert to fraction form
    26,641.18/39,961.76 = 7,921.13/x
  3. Step 3: Cross multiply
    26,641.18x = 39,961.76 × 7,921.13
  4. Step 4: Simplify right side
    26,641.18x = 316,542,356.29
  5. Step 5: Solve for x
    x = 316,542,356.29/26,641.18
  6. Step 6: Final answer
    x = 11,881.70

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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.