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Finding the Fourth Proportional to 34,856, 52,254.60 and 15,119.70

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Solution

The fourth proportional to 34,856, 52,254.60 and 15,119.70 is: 22,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,856 : 52,254.60 = 15,119.70 : x
  2. Step 2: Convert to fraction form
    34,856/52,254.60 = 15,119.70/x
  3. Step 3: Cross multiply
    34,856x = 52,254.60 × 15,119.70
  4. Step 4: Simplify right side
    34,856x = 790,073,875.62
  5. Step 5: Solve for x
    x = 790,073,875.62/34,856
  6. Step 6: Final answer
    x = 22,666.80

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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.