Home / 52,636.38-72,635.12-28,763.24

Finding the Fourth Proportional to 52,636.38, 72,635.12 and 28,763.24

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Solution

The fourth proportional to 52,636.38, 72,635.12 and 28,763.24 is: 39,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.38 : 72,635.12 = 28,763.24 : x
  2. Step 2: Convert to fraction form
    52,636.38/72,635.12 = 28,763.24/x
  3. Step 3: Cross multiply
    52,636.38x = 72,635.12 × 28,763.24
  4. Step 4: Simplify right side
    52,636.38x = 2,089,221,388.99
  5. Step 5: Solve for x
    x = 2,089,221,388.99/52,636.38
  6. Step 6: Final answer
    x = 39,691.59

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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.