Home / 52,748.90-72,795.20-28,875.56

Finding the Fourth Proportional to 52,748.90, 72,795.20 and 28,875.56

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Solution

The fourth proportional to 52,748.90, 72,795.20 and 28,875.56 is: 39,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,748.90 : 72,795.20 = 28,875.56 : x
  2. Step 2: Convert to fraction form
    52,748.90/72,795.20 = 28,875.56/x
  3. Step 3: Cross multiply
    52,748.90x = 72,795.20 × 28,875.56
  4. Step 4: Simplify right side
    52,748.90x = 2,102,002,202.92
  5. Step 5: Solve for x
    x = 2,102,002,202.92/52,748.90
  6. Step 6: Final answer
    x = 39,849.22

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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.