Home / 26,132.20-36,053.02-15,521.60

Finding the Fourth Proportional to 26,132.20, 36,053.02 and 15,521.60

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Solution

The fourth proportional to 26,132.20, 36,053.02 and 15,521.60 is: 21,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.20 : 36,053.02 = 15,521.60 : x
  2. Step 2: Convert to fraction form
    26,132.20/36,053.02 = 15,521.60/x
  3. Step 3: Cross multiply
    26,132.20x = 36,053.02 × 15,521.60
  4. Step 4: Simplify right side
    26,132.20x = 559,600,555.23
  5. Step 5: Solve for x
    x = 559,600,555.23/26,132.20
  6. Step 6: Final answer
    x = 21,414.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.