Home / 26,306.64-36,279.06-20,564.84

Finding the Fourth Proportional to 26,306.64, 36,279.06 and 20,564.84

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Solution

The fourth proportional to 26,306.64, 36,279.06 and 20,564.84 is: 28,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306.64 : 36,279.06 = 20,564.84 : x
  2. Step 2: Convert to fraction form
    26,306.64/36,279.06 = 20,564.84/x
  3. Step 3: Cross multiply
    26,306.64x = 36,279.06 × 20,564.84
  4. Step 4: Simplify right side
    26,306.64x = 746,073,064.25
  5. Step 5: Solve for x
    x = 746,073,064.25/26,306.64
  6. Step 6: Final answer
    x = 28,360.64

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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.