Home / 26,670.60-36,809.84-20,318.18

Finding the Fourth Proportional to 26,670.60, 36,809.84 and 20,318.18

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Solution

The fourth proportional to 26,670.60, 36,809.84 and 20,318.18 is: 28,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.60 : 36,809.84 = 20,318.18 : x
  2. Step 2: Convert to fraction form
    26,670.60/36,809.84 = 20,318.18/x
  3. Step 3: Cross multiply
    26,670.60x = 36,809.84 × 20,318.18
  4. Step 4: Simplify right side
    26,670.60x = 747,908,821.64
  5. Step 5: Solve for x
    x = 747,908,821.64/26,670.60
  6. Step 6: Final answer
    x = 28,042.44

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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.