Home / 26,456.24-39,684.12-7,988.24

Finding the Fourth Proportional to 26,456.24, 39,684.12 and 7,988.24

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Solution

The fourth proportional to 26,456.24, 39,684.12 and 7,988.24 is: 11,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.24 : 39,684.12 = 7,988.24 : x
  2. Step 2: Convert to fraction form
    26,456.24/39,684.12 = 7,988.24/x
  3. Step 3: Cross multiply
    26,456.24x = 39,684.12 × 7,988.24
  4. Step 4: Simplify right side
    26,456.24x = 317,006,274.75
  5. Step 5: Solve for x
    x = 317,006,274.75/26,456.24
  6. Step 6: Final answer
    x = 11,982.29

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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.