Home / 18,956.74-28,454.34-17,095.18

Finding the Fourth Proportional to 18,956.74, 28,454.34 and 17,095.18

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Solution

The fourth proportional to 18,956.74, 28,454.34 and 17,095.18 is: 25,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.74 : 28,454.34 = 17,095.18 : x
  2. Step 2: Convert to fraction form
    18,956.74/28,454.34 = 17,095.18/x
  3. Step 3: Cross multiply
    18,956.74x = 28,454.34 × 17,095.18
  4. Step 4: Simplify right side
    18,956.74x = 486,432,064.08
  5. Step 5: Solve for x
    x = 486,432,064.08/18,956.74
  6. Step 6: Final answer
    x = 25,660.11

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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.