Home / 26,452.40-39,680.04-7,983.92

Finding the Fourth Proportional to 26,452.40, 39,680.04 and 7,983.92

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Solution

The fourth proportional to 26,452.40, 39,680.04 and 7,983.92 is: 11,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,452.40 : 39,680.04 = 7,983.92 : x
  2. Step 2: Convert to fraction form
    26,452.40/39,680.04 = 7,983.92/x
  3. Step 3: Cross multiply
    26,452.40x = 39,680.04 × 7,983.92
  4. Step 4: Simplify right side
    26,452.40x = 316,802,264.96
  5. Step 5: Solve for x
    x = 316,802,264.96/26,452.40
  6. Step 6: Final answer
    x = 11,976.31

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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.