Home / 25,649.36-35,374.56-20,335.76

Finding the Fourth Proportional to 25,649.36, 35,374.56 and 20,335.76

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Solution

The fourth proportional to 25,649.36, 35,374.56 and 20,335.76 is: 28,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.36 : 35,374.56 = 20,335.76 : x
  2. Step 2: Convert to fraction form
    25,649.36/35,374.56 = 20,335.76/x
  3. Step 3: Cross multiply
    25,649.36x = 35,374.56 × 20,335.76
  4. Step 4: Simplify right side
    25,649.36x = 719,368,562.27
  5. Step 5: Solve for x
    x = 719,368,562.27/25,649.36
  6. Step 6: Final answer
    x = 28,046.26

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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.