Home / 27,380.61-41,069.78-14,979.21

Finding the Fourth Proportional to 27,380.61, 41,069.78 and 14,979.21

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Solution

The fourth proportional to 27,380.61, 41,069.78 and 14,979.21 is: 22,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.61 : 41,069.78 = 14,979.21 : x
  2. Step 2: Convert to fraction form
    27,380.61/41,069.78 = 14,979.21/x
  3. Step 3: Cross multiply
    27,380.61x = 41,069.78 × 14,979.21
  4. Step 4: Simplify right side
    27,380.61x = 615,192,859.27
  5. Step 5: Solve for x
    x = 615,192,859.27/27,380.61
  6. Step 6: Final answer
    x = 22,468.19

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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.