Home / 25,382.57-38,109.69-15,992.13

Finding the Fourth Proportional to 25,382.57, 38,109.69 and 15,992.13

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Solution

The fourth proportional to 25,382.57, 38,109.69 and 15,992.13 is: 24,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.57 : 38,109.69 = 15,992.13 : x
  2. Step 2: Convert to fraction form
    25,382.57/38,109.69 = 15,992.13/x
  3. Step 3: Cross multiply
    25,382.57x = 38,109.69 × 15,992.13
  4. Step 4: Simplify right side
    25,382.57x = 609,455,259.65
  5. Step 5: Solve for x
    x = 609,455,259.65/25,382.57
  6. Step 6: Final answer
    x = 24,010.78

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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.