Home / 39,535.70-54,592.52-28,239.86

Finding the Fourth Proportional to 39,535.70, 54,592.52 and 28,239.86

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Solution

The fourth proportional to 39,535.70, 54,592.52 and 28,239.86 is: 38,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,535.70 : 54,592.52 = 28,239.86 : x
  2. Step 2: Convert to fraction form
    39,535.70/54,592.52 = 28,239.86/x
  3. Step 3: Cross multiply
    39,535.70x = 54,592.52 × 28,239.86
  4. Step 4: Simplify right side
    39,535.70x = 1,541,685,121.85
  5. Step 5: Solve for x
    x = 1,541,685,121.85/39,535.70
  6. Step 6: Final answer
    x = 38,994.76

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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.