Home / 57,355.12-86,032.53-15,239.44

Finding the Fourth Proportional to 57,355.12, 86,032.53 and 15,239.44

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Solution

The fourth proportional to 57,355.12, 86,032.53 and 15,239.44 is: 22,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.12 : 86,032.53 = 15,239.44 : x
  2. Step 2: Convert to fraction form
    57,355.12/86,032.53 = 15,239.44/x
  3. Step 3: Cross multiply
    57,355.12x = 86,032.53 × 15,239.44
  4. Step 4: Simplify right side
    57,355.12x = 1,311,087,578.98
  5. Step 5: Solve for x
    x = 1,311,087,578.98/57,355.12
  6. Step 6: Final answer
    x = 22,859.12

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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.