Home / 38,207.15-52,726.32-21,211.73

Finding the Fourth Proportional to 38,207.15, 52,726.32 and 21,211.73

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Solution

The fourth proportional to 38,207.15, 52,726.32 and 21,211.73 is: 29,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.15 : 52,726.32 = 21,211.73 : x
  2. Step 2: Convert to fraction form
    38,207.15/52,726.32 = 21,211.73/x
  3. Step 3: Cross multiply
    38,207.15x = 52,726.32 × 21,211.73
  4. Step 4: Simplify right side
    38,207.15x = 1,118,416,463.73
  5. Step 5: Solve for x
    x = 1,118,416,463.73/38,207.15
  6. Step 6: Final answer
    x = 29,272.44

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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.