Home / 26,670.87-36,763.27-20,996.62

Finding the Fourth Proportional to 26,670.87, 36,763.27 and 20,996.62

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Solution

The fourth proportional to 26,670.87, 36,763.27 and 20,996.62 is: 28,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.87 : 36,763.27 = 20,996.62 : x
  2. Step 2: Convert to fraction form
    26,670.87/36,763.27 = 20,996.62/x
  3. Step 3: Cross multiply
    26,670.87x = 36,763.27 × 20,996.62
  4. Step 4: Simplify right side
    26,670.87x = 771,904,265.75
  5. Step 5: Solve for x
    x = 771,904,265.75/26,670.87
  6. Step 6: Final answer
    x = 28,941.85

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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.