Home / 26,670.94-36,810.39-15,499.42

Finding the Fourth Proportional to 26,670.94, 36,810.39 and 15,499.42

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Solution

The fourth proportional to 26,670.94, 36,810.39 and 15,499.42 is: 21,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.94 : 36,810.39 = 15,499.42 : x
  2. Step 2: Convert to fraction form
    26,670.94/36,810.39 = 15,499.42/x
  3. Step 3: Cross multiply
    26,670.94x = 36,810.39 × 15,499.42
  4. Step 4: Simplify right side
    26,670.94x = 570,539,694.97
  5. Step 5: Solve for x
    x = 570,539,694.97/26,670.94
  6. Step 6: Final answer
    x = 21,391.81

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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.