Home / 26,040.66-39,008.72-11,981.08

Finding the Fourth Proportional to 26,040.66, 39,008.72 and 11,981.08

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Solution

The fourth proportional to 26,040.66, 39,008.72 and 11,981.08 is: 17,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.66 : 39,008.72 = 11,981.08 : x
  2. Step 2: Convert to fraction form
    26,040.66/39,008.72 = 11,981.08/x
  3. Step 3: Cross multiply
    26,040.66x = 39,008.72 × 11,981.08
  4. Step 4: Simplify right side
    26,040.66x = 467,366,673.73
  5. Step 5: Solve for x
    x = 467,366,673.73/26,040.66
  6. Step 6: Final answer
    x = 17,947.58

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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.