Home / 52,771.20-72,824.10-28,899.36

Finding the Fourth Proportional to 52,771.20, 72,824.10 and 28,899.36

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Solution

The fourth proportional to 52,771.20, 72,824.10 and 28,899.36 is: 39,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.20 : 72,824.10 = 28,899.36 : x
  2. Step 2: Convert to fraction form
    52,771.20/72,824.10 = 28,899.36/x
  3. Step 3: Cross multiply
    52,771.20x = 72,824.10 × 28,899.36
  4. Step 4: Simplify right side
    52,771.20x = 2,104,569,882.58
  5. Step 5: Solve for x
    x = 2,104,569,882.58/52,771.20
  6. Step 6: Final answer
    x = 39,881.03

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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.