Home / 27,320.64-40,947.84-12,508.80

Finding the Fourth Proportional to 27,320.64, 40,947.84 and 12,508.80

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Solution

The fourth proportional to 27,320.64, 40,947.84 and 12,508.80 is: 18,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.64 : 40,947.84 = 12,508.80 : x
  2. Step 2: Convert to fraction form
    27,320.64/40,947.84 = 12,508.80/x
  3. Step 3: Cross multiply
    27,320.64x = 40,947.84 × 12,508.80
  4. Step 4: Simplify right side
    27,320.64x = 512,208,340.99
  5. Step 5: Solve for x
    x = 512,208,340.99/27,320.64
  6. Step 6: Final answer
    x = 18,748.04

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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.