Home / 52,856.72-79,286.70-15,415.89

Finding the Fourth Proportional to 52,856.72, 79,286.70 and 15,415.89

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Solution

The fourth proportional to 52,856.72, 79,286.70 and 15,415.89 is: 23,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,856.72 : 79,286.70 = 15,415.89 : x
  2. Step 2: Convert to fraction form
    52,856.72/79,286.70 = 15,415.89/x
  3. Step 3: Cross multiply
    52,856.72x = 79,286.70 × 15,415.89
  4. Step 4: Simplify right side
    52,856.72x = 1,222,275,045.66
  5. Step 5: Solve for x
    x = 1,222,275,045.66/52,856.72
  6. Step 6: Final answer
    x = 23,124.31

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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.