Home / 26,615.17-39,891.70-20,020.15

Finding the Fourth Proportional to 26,615.17, 39,891.70 and 20,020.15

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Solution

The fourth proportional to 26,615.17, 39,891.70 and 20,020.15 is: 30,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.17 : 39,891.70 = 20,020.15 : x
  2. Step 2: Convert to fraction form
    26,615.17/39,891.70 = 20,020.15/x
  3. Step 3: Cross multiply
    26,615.17x = 39,891.70 × 20,020.15
  4. Step 4: Simplify right side
    26,615.17x = 798,637,817.76
  5. Step 5: Solve for x
    x = 798,637,817.76/26,615.17
  6. Step 6: Final answer
    x = 30,006.87

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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.