Home / 26,955.60-40,414.20-10,309.20

Finding the Fourth Proportional to 26,955.60, 40,414.20 and 10,309.20

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Solution

The fourth proportional to 26,955.60, 40,414.20 and 10,309.20 is: 15,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.60 : 40,414.20 = 10,309.20 : x
  2. Step 2: Convert to fraction form
    26,955.60/40,414.20 = 10,309.20/x
  3. Step 3: Cross multiply
    26,955.60x = 40,414.20 × 10,309.20
  4. Step 4: Simplify right side
    26,955.60x = 416,638,070.64
  5. Step 5: Solve for x
    x = 416,638,070.64/26,955.60
  6. Step 6: Final answer
    x = 15,456.46

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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.