Home / 38,124.20-52,610.76-20,896.40

Finding the Fourth Proportional to 38,124.20, 52,610.76 and 20,896.40

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Solution

The fourth proportional to 38,124.20, 52,610.76 and 20,896.40 is: 28,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.20 : 52,610.76 = 20,896.40 : x
  2. Step 2: Convert to fraction form
    38,124.20/52,610.76 = 20,896.40/x
  3. Step 3: Cross multiply
    38,124.20x = 52,610.76 × 20,896.40
  4. Step 4: Simplify right side
    38,124.20x = 1,099,375,485.26
  5. Step 5: Solve for x
    x = 1,099,375,485.26/38,124.20
  6. Step 6: Final answer
    x = 28,836.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.