Home / 26,616.09-39,930.89-9,976.17

Finding the Fourth Proportional to 26,616.09, 39,930.89 and 9,976.17

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Solution

The fourth proportional to 26,616.09, 39,930.89 and 9,976.17 is: 14,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.09 : 39,930.89 = 9,976.17 : x
  2. Step 2: Convert to fraction form
    26,616.09/39,930.89 = 9,976.17/x
  3. Step 3: Cross multiply
    26,616.09x = 39,930.89 × 9,976.17
  4. Step 4: Simplify right side
    26,616.09x = 398,357,502.87
  5. Step 5: Solve for x
    x = 398,357,502.87/26,616.09
  6. Step 6: Final answer
    x = 14,966.79

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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.