Home / 27,242.20-40,863.30-9,705.70

Finding the Fourth Proportional to 27,242.20, 40,863.30 and 9,705.70

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Solution

The fourth proportional to 27,242.20, 40,863.30 and 9,705.70 is: 14,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.20 : 40,863.30 = 9,705.70 : x
  2. Step 2: Convert to fraction form
    27,242.20/40,863.30 = 9,705.70/x
  3. Step 3: Cross multiply
    27,242.20x = 40,863.30 × 9,705.70
  4. Step 4: Simplify right side
    27,242.20x = 396,606,930.81
  5. Step 5: Solve for x
    x = 396,606,930.81/27,242.20
  6. Step 6: Final answer
    x = 14,558.55

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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.