Home / 57,538.07-86,308.18-15,986.15

Finding the Fourth Proportional to 57,538.07, 86,308.18 and 15,986.15

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Solution

The fourth proportional to 57,538.07, 86,308.18 and 15,986.15 is: 23,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.07 : 86,308.18 = 15,986.15 : x
  2. Step 2: Convert to fraction form
    57,538.07/86,308.18 = 15,986.15/x
  3. Step 3: Cross multiply
    57,538.07x = 86,308.18 × 15,986.15
  4. Step 4: Simplify right side
    57,538.07x = 1,379,735,000.24
  5. Step 5: Solve for x
    x = 1,379,735,000.24/57,538.07
  6. Step 6: Final answer
    x = 23,979.52

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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.