Home / 52,748.20-72,792.03-28,874.80

Finding the Fourth Proportional to 52,748.20, 72,792.03 and 28,874.80

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Solution

The fourth proportional to 52,748.20, 72,792.03 and 28,874.80 is: 39,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,748.20 : 72,792.03 = 28,874.80 : x
  2. Step 2: Convert to fraction form
    52,748.20/72,792.03 = 28,874.80/x
  3. Step 3: Cross multiply
    52,748.20x = 72,792.03 × 28,874.80
  4. Step 4: Simplify right side
    52,748.20x = 2,101,855,307.84
  5. Step 5: Solve for x
    x = 2,101,855,307.84/52,748.20
  6. Step 6: Final answer
    x = 39,846.96

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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.