Home / 18,597.32-28,023.91-15,382.76

Finding the Fourth Proportional to 18,597.32, 28,023.91 and 15,382.76

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Solution

The fourth proportional to 18,597.32, 28,023.91 and 15,382.76 is: 23,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.32 : 28,023.91 = 15,382.76 : x
  2. Step 2: Convert to fraction form
    18,597.32/28,023.91 = 15,382.76/x
  3. Step 3: Cross multiply
    18,597.32x = 28,023.91 × 15,382.76
  4. Step 4: Simplify right side
    18,597.32x = 431,085,081.79
  5. Step 5: Solve for x
    x = 431,085,081.79/18,597.32
  6. Step 6: Final answer
    x = 23,179.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.