Home / 38,892.80-58,310.40-26,381.60

Finding the Fourth Proportional to 38,892.80, 58,310.40 and 26,381.60

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Solution

The fourth proportional to 38,892.80, 58,310.40 and 26,381.60 is: 39,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,892.80 : 58,310.40 = 26,381.60 : x
  2. Step 2: Convert to fraction form
    38,892.80/58,310.40 = 26,381.60/x
  3. Step 3: Cross multiply
    38,892.80x = 58,310.40 × 26,381.60
  4. Step 4: Simplify right side
    38,892.80x = 1,538,321,648.64
  5. Step 5: Solve for x
    x = 1,538,321,648.64/38,892.80
  6. Step 6: Final answer
    x = 39,552.86

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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.