Home / 57,434.22-86,141.61-15,871.50

Finding the Fourth Proportional to 57,434.22, 86,141.61 and 15,871.50

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Solution

The fourth proportional to 57,434.22, 86,141.61 and 15,871.50 is: 23,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.22 : 86,141.61 = 15,871.50 : x
  2. Step 2: Convert to fraction form
    57,434.22/86,141.61 = 15,871.50/x
  3. Step 3: Cross multiply
    57,434.22x = 86,141.61 × 15,871.50
  4. Step 4: Simplify right side
    57,434.22x = 1,367,196,563.12
  5. Step 5: Solve for x
    x = 1,367,196,563.12/57,434.22
  6. Step 6: Final answer
    x = 23,804.56

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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.