Home / 26,912.97-37,139.90-15,583.05

Finding the Fourth Proportional to 26,912.97, 37,139.90 and 15,583.05

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Solution

The fourth proportional to 26,912.97, 37,139.90 and 15,583.05 is: 21,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.97 : 37,139.90 = 15,583.05 : x
  2. Step 2: Convert to fraction form
    26,912.97/37,139.90 = 15,583.05/x
  3. Step 3: Cross multiply
    26,912.97x = 37,139.90 × 15,583.05
  4. Step 4: Simplify right side
    26,912.97x = 578,752,840.78
  5. Step 5: Solve for x
    x = 578,752,840.78/26,912.97
  6. Step 6: Final answer
    x = 21,504.61

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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.