Home / 27,870.59-41,796.16-12,279.71

Finding the Fourth Proportional to 27,870.59, 41,796.16 and 12,279.71

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Solution

The fourth proportional to 27,870.59, 41,796.16 and 12,279.71 is: 18,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.59 : 41,796.16 = 12,279.71 : x
  2. Step 2: Convert to fraction form
    27,870.59/41,796.16 = 12,279.71/x
  3. Step 3: Cross multiply
    27,870.59x = 41,796.16 × 12,279.71
  4. Step 4: Simplify right side
    27,870.59x = 513,244,723.91
  5. Step 5: Solve for x
    x = 513,244,723.91/27,870.59
  6. Step 6: Final answer
    x = 18,415.28

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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.