Home / 38,856.20-58,270.02-13,889.52

Finding the Fourth Proportional to 38,856.20, 58,270.02 and 13,889.52

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Solution

The fourth proportional to 38,856.20, 58,270.02 and 13,889.52 is: 20,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.20 : 58,270.02 = 13,889.52 : x
  2. Step 2: Convert to fraction form
    38,856.20/58,270.02 = 13,889.52/x
  3. Step 3: Cross multiply
    38,856.20x = 58,270.02 × 13,889.52
  4. Step 4: Simplify right side
    38,856.20x = 809,342,608.19
  5. Step 5: Solve for x
    x = 809,342,608.19/38,856.20
  6. Step 6: Final answer
    x = 20,829.18

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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.