Home / 26,889.60-40,331.16-10,242.48

Finding the Fourth Proportional to 26,889.60, 40,331.16 and 10,242.48

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Solution

The fourth proportional to 26,889.60, 40,331.16 and 10,242.48 is: 15,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.60 : 40,331.16 = 10,242.48 : x
  2. Step 2: Convert to fraction form
    26,889.60/40,331.16 = 10,242.48/x
  3. Step 3: Cross multiply
    26,889.60x = 40,331.16 × 10,242.48
  4. Step 4: Simplify right side
    26,889.60x = 413,091,099.68
  5. Step 5: Solve for x
    x = 413,091,099.68/26,889.60
  6. Step 6: Final answer
    x = 15,362.49

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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.