Home / 38,135.95-57,213.88-14,443.65

Finding the Fourth Proportional to 38,135.95, 57,213.88 and 14,443.65

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Solution

The fourth proportional to 38,135.95, 57,213.88 and 14,443.65 is: 21,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.95 : 57,213.88 = 14,443.65 : x
  2. Step 2: Convert to fraction form
    38,135.95/57,213.88 = 14,443.65/x
  3. Step 3: Cross multiply
    38,135.95x = 57,213.88 × 14,443.65
  4. Step 4: Simplify right side
    38,135.95x = 826,377,221.75
  5. Step 5: Solve for x
    x = 826,377,221.75/38,135.95
  6. Step 6: Final answer
    x = 21,669.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.