Home / 26,861.60-40,282.84-10,217.20

Finding the Fourth Proportional to 26,861.60, 40,282.84 and 10,217.20

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Solution

The fourth proportional to 26,861.60, 40,282.84 and 10,217.20 is: 15,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.60 : 40,282.84 = 10,217.20 : x
  2. Step 2: Convert to fraction form
    26,861.60/40,282.84 = 10,217.20/x
  3. Step 3: Cross multiply
    26,861.60x = 40,282.84 × 10,217.20
  4. Step 4: Simplify right side
    26,861.60x = 411,577,832.85
  5. Step 5: Solve for x
    x = 411,577,832.85/26,861.60
  6. Step 6: Final answer
    x = 15,322.16

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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.