Home / 38,570.15-57,842.84-12,268.76

Finding the Fourth Proportional to 38,570.15, 57,842.84 and 12,268.76

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Solution

The fourth proportional to 38,570.15, 57,842.84 and 12,268.76 is: 18,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.15 : 57,842.84 = 12,268.76 : x
  2. Step 2: Convert to fraction form
    38,570.15/57,842.84 = 12,268.76/x
  3. Step 3: Cross multiply
    38,570.15x = 57,842.84 × 12,268.76
  4. Step 4: Simplify right side
    38,570.15x = 709,659,663.14
  5. Step 5: Solve for x
    x = 709,659,663.14/38,570.15
  6. Step 6: Final answer
    x = 18,399.19

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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.