Home / 26,840.94-37,037.79-15,669.42

Finding the Fourth Proportional to 26,840.94, 37,037.79 and 15,669.42

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Solution

The fourth proportional to 26,840.94, 37,037.79 and 15,669.42 is: 21,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.94 : 37,037.79 = 15,669.42 : x
  2. Step 2: Convert to fraction form
    26,840.94/37,037.79 = 15,669.42/x
  3. Step 3: Cross multiply
    26,840.94x = 37,037.79 × 15,669.42
  4. Step 4: Simplify right side
    26,840.94x = 580,360,687.38
  5. Step 5: Solve for x
    x = 580,360,687.38/26,840.94
  6. Step 6: Final answer
    x = 21,622.22

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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.