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Finding the Fourth Proportional to 26,892.64, 40,343.64 and 10,254.16

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Solution

The fourth proportional to 26,892.64, 40,343.64 and 10,254.16 is: 15,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.64 : 40,343.64 = 10,254.16 : x
  2. Step 2: Convert to fraction form
    26,892.64/40,343.64 = 10,254.16/x
  3. Step 3: Cross multiply
    26,892.64x = 40,343.64 × 10,254.16
  4. Step 4: Simplify right side
    26,892.64x = 413,690,139.54
  5. Step 5: Solve for x
    x = 413,690,139.54/26,892.64
  6. Step 6: Final answer
    x = 15,383.02

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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.