Home / 52,760.75-72,809.18-28,886.90

Finding the Fourth Proportional to 52,760.75, 72,809.18 and 28,886.90

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Solution

The fourth proportional to 52,760.75, 72,809.18 and 28,886.90 is: 39,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.75 : 72,809.18 = 28,886.90 : x
  2. Step 2: Convert to fraction form
    52,760.75/72,809.18 = 28,886.90/x
  3. Step 3: Cross multiply
    52,760.75x = 72,809.18 × 28,886.90
  4. Step 4: Simplify right side
    52,760.75x = 2,103,231,539.33
  5. Step 5: Solve for x
    x = 2,103,231,539.33/52,760.75
  6. Step 6: Final answer
    x = 39,863.57

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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.