Home / 15,570.82-23,382.15-15,449.86

Finding the Fourth Proportional to 15,570.82, 23,382.15 and 15,449.86

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Solution

The fourth proportional to 15,570.82, 23,382.15 and 15,449.86 is: 23,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.82 : 23,382.15 = 15,449.86 : x
  2. Step 2: Convert to fraction form
    15,570.82/23,382.15 = 15,449.86/x
  3. Step 3: Cross multiply
    15,570.82x = 23,382.15 × 15,449.86
  4. Step 4: Simplify right side
    15,570.82x = 361,250,944.00
  5. Step 5: Solve for x
    x = 361,250,944.00/15,570.82
  6. Step 6: Final answer
    x = 23,200.51

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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.