Home / 26,830.28-40,244.78-9,299.90

Finding the Fourth Proportional to 26,830.28, 40,244.78 and 9,299.90

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Solution

The fourth proportional to 26,830.28, 40,244.78 and 9,299.90 is: 13,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.28 : 40,244.78 = 9,299.90 : x
  2. Step 2: Convert to fraction form
    26,830.28/40,244.78 = 9,299.90/x
  3. Step 3: Cross multiply
    26,830.28x = 40,244.78 × 9,299.90
  4. Step 4: Simplify right side
    26,830.28x = 374,272,429.52
  5. Step 5: Solve for x
    x = 374,272,429.52/26,830.28
  6. Step 6: Final answer
    x = 13,949.63

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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.