Home / 57,335.70-86,007.60-15,215.43

Finding the Fourth Proportional to 57,335.70, 86,007.60 and 15,215.43

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Solution

The fourth proportional to 57,335.70, 86,007.60 and 15,215.43 is: 22,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.70 : 86,007.60 = 15,215.43 : x
  2. Step 2: Convert to fraction form
    57,335.70/86,007.60 = 15,215.43/x
  3. Step 3: Cross multiply
    57,335.70x = 86,007.60 × 15,215.43
  4. Step 4: Simplify right side
    57,335.70x = 1,308,642,617.27
  5. Step 5: Solve for x
    x = 1,308,642,617.27/57,335.70
  6. Step 6: Final answer
    x = 22,824.22

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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.