Home / 26,378.60-39,543.92-9,727.04

Finding the Fourth Proportional to 26,378.60, 39,543.92 and 9,727.04

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Solution

The fourth proportional to 26,378.60, 39,543.92 and 9,727.04 is: 14,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.60 : 39,543.92 = 9,727.04 : x
  2. Step 2: Convert to fraction form
    26,378.60/39,543.92 = 9,727.04/x
  3. Step 3: Cross multiply
    26,378.60x = 39,543.92 × 9,727.04
  4. Step 4: Simplify right side
    26,378.60x = 384,645,291.60
  5. Step 5: Solve for x
    x = 384,645,291.60/26,378.60
  6. Step 6: Final answer
    x = 14,581.72

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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.