Home / 25,930.32-38,895.20-17,589.68

Finding the Fourth Proportional to 25,930.32, 38,895.20 and 17,589.68

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Solution

The fourth proportional to 25,930.32, 38,895.20 and 17,589.68 is: 26,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.32 : 38,895.20 = 17,589.68 : x
  2. Step 2: Convert to fraction form
    25,930.32/38,895.20 = 17,589.68/x
  3. Step 3: Cross multiply
    25,930.32x = 38,895.20 × 17,589.68
  4. Step 4: Simplify right side
    25,930.32x = 684,154,121.54
  5. Step 5: Solve for x
    x = 684,154,121.54/25,930.32
  6. Step 6: Final answer
    x = 26,384.33

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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.