Home / 26,396.46-36,426.24-15,780.60

Finding the Fourth Proportional to 26,396.46, 36,426.24 and 15,780.60

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Solution

The fourth proportional to 26,396.46, 36,426.24 and 15,780.60 is: 21,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.46 : 36,426.24 = 15,780.60 : x
  2. Step 2: Convert to fraction form
    26,396.46/36,426.24 = 15,780.60/x
  3. Step 3: Cross multiply
    26,396.46x = 36,426.24 × 15,780.60
  4. Step 4: Simplify right side
    26,396.46x = 574,827,922.94
  5. Step 5: Solve for x
    x = 574,827,922.94/26,396.46
  6. Step 6: Final answer
    x = 21,776.71

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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.