Home / 84,424.64-126,642.96-25,255.52

Finding the Fourth Proportional to 84,424.64, 126,642.96 and 25,255.52

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Solution

The fourth proportional to 84,424.64, 126,642.96 and 25,255.52 is: 37,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,424.64 : 126,642.96 = 25,255.52 : x
  2. Step 2: Convert to fraction form
    84,424.64/126,642.96 = 25,255.52/x
  3. Step 3: Cross multiply
    84,424.64x = 126,642.96 × 25,255.52
  4. Step 4: Simplify right side
    84,424.64x = 3,198,433,809.14
  5. Step 5: Solve for x
    x = 3,198,433,809.14/84,424.64
  6. Step 6: Final answer
    x = 37,885.07

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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.