Home / 28,901.76-43,358.68-16,427.52

Finding the Fourth Proportional to 28,901.76, 43,358.68 and 16,427.52

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Solution

The fourth proportional to 28,901.76, 43,358.68 and 16,427.52 is: 24,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.76 : 43,358.68 = 16,427.52 : x
  2. Step 2: Convert to fraction form
    28,901.76/43,358.68 = 16,427.52/x
  3. Step 3: Cross multiply
    28,901.76x = 43,358.68 × 16,427.52
  4. Step 4: Simplify right side
    28,901.76x = 712,275,582.87
  5. Step 5: Solve for x
    x = 712,275,582.87/28,901.76
  6. Step 6: Final answer
    x = 24,644.71

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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.