Home / 52,778.24-72,835.62-28,907.18

Finding the Fourth Proportional to 52,778.24, 72,835.62 and 28,907.18

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Solution

The fourth proportional to 52,778.24, 72,835.62 and 28,907.18 is: 39,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.24 : 72,835.62 = 28,907.18 : x
  2. Step 2: Convert to fraction form
    52,778.24/72,835.62 = 28,907.18/x
  3. Step 3: Cross multiply
    52,778.24x = 72,835.62 × 28,907.18
  4. Step 4: Simplify right side
    52,778.24x = 2,105,472,377.75
  5. Step 5: Solve for x
    x = 2,105,472,377.75/52,778.24
  6. Step 6: Final answer
    x = 39,892.81

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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.