Home / 38,020.68-52,472.27-21,028.90

Finding the Fourth Proportional to 38,020.68, 52,472.27 and 21,028.90

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Solution

The fourth proportional to 38,020.68, 52,472.27 and 21,028.90 is: 29,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.68 : 52,472.27 = 21,028.90 : x
  2. Step 2: Convert to fraction form
    38,020.68/52,472.27 = 21,028.90/x
  3. Step 3: Cross multiply
    38,020.68x = 52,472.27 × 21,028.90
  4. Step 4: Simplify right side
    38,020.68x = 1,103,434,118.60
  5. Step 5: Solve for x
    x = 1,103,434,118.60/38,020.68
  6. Step 6: Final answer
    x = 29,021.95

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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.