Home / 26,522.73-36,587.26-20,138.74

Finding the Fourth Proportional to 26,522.73, 36,587.26 and 20,138.74

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Solution

The fourth proportional to 26,522.73, 36,587.26 and 20,138.74 is: 27,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.73 : 36,587.26 = 20,138.74 : x
  2. Step 2: Convert to fraction form
    26,522.73/36,587.26 = 20,138.74/x
  3. Step 3: Cross multiply
    26,522.73x = 36,587.26 × 20,138.74
  4. Step 4: Simplify right side
    26,522.73x = 736,821,216.65
  5. Step 5: Solve for x
    x = 736,821,216.65/26,522.73
  6. Step 6: Final answer
    x = 27,780.75

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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.