Home / 52,758.40-72,806.10-28,884.86

Finding the Fourth Proportional to 52,758.40, 72,806.10 and 28,884.86

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Solution

The fourth proportional to 52,758.40, 72,806.10 and 28,884.86 is: 39,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,758.40 : 72,806.10 = 28,884.86 : x
  2. Step 2: Convert to fraction form
    52,758.40/72,806.10 = 28,884.86/x
  3. Step 3: Cross multiply
    52,758.40x = 72,806.10 × 28,884.86
  4. Step 4: Simplify right side
    52,758.40x = 2,102,994,005.65
  5. Step 5: Solve for x
    x = 2,102,994,005.65/52,758.40
  6. Step 6: Final answer
    x = 39,860.84

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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.