Home / 26,508.66-39,778.38-9,880.20

Finding the Fourth Proportional to 26,508.66, 39,778.38 and 9,880.20

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Solution

The fourth proportional to 26,508.66, 39,778.38 and 9,880.20 is: 14,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.66 : 39,778.38 = 9,880.20 : x
  2. Step 2: Convert to fraction form
    26,508.66/39,778.38 = 9,880.20/x
  3. Step 3: Cross multiply
    26,508.66x = 39,778.38 × 9,880.20
  4. Step 4: Simplify right side
    26,508.66x = 393,018,350.08
  5. Step 5: Solve for x
    x = 393,018,350.08/26,508.66
  6. Step 6: Final answer
    x = 14,826.04

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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.