Home / 27,279.91-40,920.63-7,559.92

Finding the Fourth Proportional to 27,279.91, 40,920.63 and 7,559.92

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Solution

The fourth proportional to 27,279.91, 40,920.63 and 7,559.92 is: 11,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.91 : 40,920.63 = 7,559.92 : x
  2. Step 2: Convert to fraction form
    27,279.91/40,920.63 = 7,559.92/x
  3. Step 3: Cross multiply
    27,279.91x = 40,920.63 × 7,559.92
  4. Step 4: Simplify right side
    27,279.91x = 309,356,689.15
  5. Step 5: Solve for x
    x = 309,356,689.15/27,279.91
  6. Step 6: Final answer
    x = 11,340.09

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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.