Home / 26,580.18-36,667.17-20,281.62

Finding the Fourth Proportional to 26,580.18, 36,667.17 and 20,281.62

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Solution

The fourth proportional to 26,580.18, 36,667.17 and 20,281.62 is: 27,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.18 : 36,667.17 = 20,281.62 : x
  2. Step 2: Convert to fraction form
    26,580.18/36,667.17 = 20,281.62/x
  3. Step 3: Cross multiply
    26,580.18x = 36,667.17 × 20,281.62
  4. Step 4: Simplify right side
    26,580.18x = 743,669,608.42
  5. Step 5: Solve for x
    x = 743,669,608.42/26,580.18
  6. Step 6: Final answer
    x = 27,978.35

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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.