Home / 38,227.58-52,758.25-21,876.30

Finding the Fourth Proportional to 38,227.58, 52,758.25 and 21,876.30

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Solution

The fourth proportional to 38,227.58, 52,758.25 and 21,876.30 is: 30,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,227.58 : 52,758.25 = 21,876.30 : x
  2. Step 2: Convert to fraction form
    38,227.58/52,758.25 = 21,876.30/x
  3. Step 3: Cross multiply
    38,227.58x = 52,758.25 × 21,876.30
  4. Step 4: Simplify right side
    38,227.58x = 1,154,155,521.22
  5. Step 5: Solve for x
    x = 1,154,155,521.22/38,227.58
  6. Step 6: Final answer
    x = 30,191.70

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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.