Home / 27,155.85-40,723.79-9,381.95

Finding the Fourth Proportional to 27,155.85, 40,723.79 and 9,381.95

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Solution

The fourth proportional to 27,155.85, 40,723.79 and 9,381.95 is: 14,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.85 : 40,723.79 = 9,381.95 : x
  2. Step 2: Convert to fraction form
    27,155.85/40,723.79 = 9,381.95/x
  3. Step 3: Cross multiply
    27,155.85x = 40,723.79 × 9,381.95
  4. Step 4: Simplify right side
    27,155.85x = 382,068,616.49
  5. Step 5: Solve for x
    x = 382,068,616.49/27,155.85
  6. Step 6: Final answer
    x = 14,069.48

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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.