Home / 26,217.90-39,294.02-20,649.25

Finding the Fourth Proportional to 26,217.90, 39,294.02 and 20,649.25

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Solution

The fourth proportional to 26,217.90, 39,294.02 and 20,649.25 is: 30,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.90 : 39,294.02 = 20,649.25 : x
  2. Step 2: Convert to fraction form
    26,217.90/39,294.02 = 20,649.25/x
  3. Step 3: Cross multiply
    26,217.90x = 39,294.02 × 20,649.25
  4. Step 4: Simplify right side
    26,217.90x = 811,392,042.49
  5. Step 5: Solve for x
    x = 811,392,042.49/26,217.90
  6. Step 6: Final answer
    x = 30,948.02

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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.