Home / 57,538.13-86,308.27-15,986.21

Finding the Fourth Proportional to 57,538.13, 86,308.27 and 15,986.21

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Solution

The fourth proportional to 57,538.13, 86,308.27 and 15,986.21 is: 23,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.13 : 86,308.27 = 15,986.21 : x
  2. Step 2: Convert to fraction form
    57,538.13/86,308.27 = 15,986.21/x
  3. Step 3: Cross multiply
    57,538.13x = 86,308.27 × 15,986.21
  4. Step 4: Simplify right side
    57,538.13x = 1,379,741,657.45
  5. Step 5: Solve for x
    x = 1,379,741,657.45/57,538.13
  6. Step 6: Final answer
    x = 23,979.61

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1.5x scale

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.