Home / 40,447.28-55,851.60-25,365.20

Finding the Fourth Proportional to 40,447.28, 55,851.60 and 25,365.20

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Solution

The fourth proportional to 40,447.28, 55,851.60 and 25,365.20 is: 35,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447.28 : 55,851.60 = 25,365.20 : x
  2. Step 2: Convert to fraction form
    40,447.28/55,851.60 = 25,365.20/x
  3. Step 3: Cross multiply
    40,447.28x = 55,851.60 × 25,365.20
  4. Step 4: Simplify right side
    40,447.28x = 1,416,687,004.32
  5. Step 5: Solve for x
    x = 1,416,687,004.32/40,447.28
  6. Step 6: Final answer
    x = 35,025.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.