Home / 26,686.20-39,990.42-15,002.76

Finding the Fourth Proportional to 26,686.20, 39,990.42 and 15,002.76

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Solution

The fourth proportional to 26,686.20, 39,990.42 and 15,002.76 is: 22,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.20 : 39,990.42 = 15,002.76 : x
  2. Step 2: Convert to fraction form
    26,686.20/39,990.42 = 15,002.76/x
  3. Step 3: Cross multiply
    26,686.20x = 39,990.42 × 15,002.76
  4. Step 4: Simplify right side
    26,686.20x = 599,966,673.56
  5. Step 5: Solve for x
    x = 599,966,673.56/26,686.20
  6. Step 6: Final answer
    x = 22,482.28

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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.