Home / 17,811.20-26,756.40-14,895.20

Finding the Fourth Proportional to 17,811.20, 26,756.40 and 14,895.20

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Solution

The fourth proportional to 17,811.20, 26,756.40 and 14,895.20 is: 22,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.20 : 26,756.40 = 14,895.20 : x
  2. Step 2: Convert to fraction form
    17,811.20/26,756.40 = 14,895.20/x
  3. Step 3: Cross multiply
    17,811.20x = 26,756.40 × 14,895.20
  4. Step 4: Simplify right side
    17,811.20x = 398,541,929.28
  5. Step 5: Solve for x
    x = 398,541,929.28/17,811.20
  6. Step 6: Final answer
    x = 22,375.92

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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.