Home / 57,632.40-86,442.12-15,516.72

Finding the Fourth Proportional to 57,632.40, 86,442.12 and 15,516.72

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Solution

The fourth proportional to 57,632.40, 86,442.12 and 15,516.72 is: 23,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.40 : 86,442.12 = 15,516.72 : x
  2. Step 2: Convert to fraction form
    57,632.40/86,442.12 = 15,516.72/x
  3. Step 3: Cross multiply
    57,632.40x = 86,442.12 × 15,516.72
  4. Step 4: Simplify right side
    57,632.40x = 1,341,298,172.25
  5. Step 5: Solve for x
    x = 1,341,298,172.25/57,632.40
  6. Step 6: Final answer
    x = 23,273.34

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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.