Home / 28,977.92-43,451.76-13,406.48

Finding the Fourth Proportional to 28,977.92, 43,451.76 and 13,406.48

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Solution

The fourth proportional to 28,977.92, 43,451.76 and 13,406.48 is: 20,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.92 : 43,451.76 = 13,406.48 : x
  2. Step 2: Convert to fraction form
    28,977.92/43,451.76 = 13,406.48/x
  3. Step 3: Cross multiply
    28,977.92x = 43,451.76 × 13,406.48
  4. Step 4: Simplify right side
    28,977.92x = 582,535,151.40
  5. Step 5: Solve for x
    x = 582,535,151.40/28,977.92
  6. Step 6: Final answer
    x = 20,102.72

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1.5x scale

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.