Home / 28,898.10-43,347.15-25,614.90

Finding the Fourth Proportional to 28,898.10, 43,347.15 and 25,614.90

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Solution

The fourth proportional to 28,898.10, 43,347.15 and 25,614.90 is: 38,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.10 : 43,347.15 = 25,614.90 : x
  2. Step 2: Convert to fraction form
    28,898.10/43,347.15 = 25,614.90/x
  3. Step 3: Cross multiply
    28,898.10x = 43,347.15 × 25,614.90
  4. Step 4: Simplify right side
    28,898.10x = 1,110,332,912.54
  5. Step 5: Solve for x
    x = 1,110,332,912.54/28,898.10
  6. Step 6: Final answer
    x = 38,422.35

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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.