Home / 26,829.60-40,201.20-13,662.24

Finding the Fourth Proportional to 26,829.60, 40,201.20 and 13,662.24

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Solution

The fourth proportional to 26,829.60, 40,201.20 and 13,662.24 is: 20,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.60 : 40,201.20 = 13,662.24 : x
  2. Step 2: Convert to fraction form
    26,829.60/40,201.20 = 13,662.24/x
  3. Step 3: Cross multiply
    26,829.60x = 40,201.20 × 13,662.24
  4. Step 4: Simplify right side
    26,829.60x = 549,238,442.69
  5. Step 5: Solve for x
    x = 549,238,442.69/26,829.60
  6. Step 6: Final answer
    x = 20,471.36

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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.