Home / 26,869.31-37,076.69-15,537.09

Finding the Fourth Proportional to 26,869.31, 37,076.69 and 15,537.09

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Solution

The fourth proportional to 26,869.31, 37,076.69 and 15,537.09 is: 21,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.31 : 37,076.69 = 15,537.09 : x
  2. Step 2: Convert to fraction form
    26,869.31/37,076.69 = 15,537.09/x
  3. Step 3: Cross multiply
    26,869.31x = 37,076.69 × 15,537.09
  4. Step 4: Simplify right side
    26,869.31x = 576,063,869.43
  5. Step 5: Solve for x
    x = 576,063,869.43/26,869.31
  6. Step 6: Final answer
    x = 21,439.47

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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.