Home / 21,062.13-29,204.22-20,359.58

Finding the Fourth Proportional to 21,062.13, 29,204.22 and 20,359.58

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Solution

The fourth proportional to 21,062.13, 29,204.22 and 20,359.58 is: 28,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.13 : 29,204.22 = 20,359.58 : x
  2. Step 2: Convert to fraction form
    21,062.13/29,204.22 = 20,359.58/x
  3. Step 3: Cross multiply
    21,062.13x = 29,204.22 × 20,359.58
  4. Step 4: Simplify right side
    21,062.13x = 594,585,507.41
  5. Step 5: Solve for x
    x = 594,585,507.41/21,062.13
  6. Step 6: Final answer
    x = 28,230.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.