Home / 39,222.78-58,876.29-15,864.54

Finding the Fourth Proportional to 39,222.78, 58,876.29 and 15,864.54

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Solution

The fourth proportional to 39,222.78, 58,876.29 and 15,864.54 is: 23,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.78 : 58,876.29 = 15,864.54 : x
  2. Step 2: Convert to fraction form
    39,222.78/58,876.29 = 15,864.54/x
  3. Step 3: Cross multiply
    39,222.78x = 58,876.29 × 15,864.54
  4. Step 4: Simplify right side
    39,222.78x = 934,045,257.76
  5. Step 5: Solve for x
    x = 934,045,257.76/39,222.78
  6. Step 6: Final answer
    x = 23,813.85

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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.