Home / 27,372.38-37,775.12-15,435.68

Finding the Fourth Proportional to 27,372.38, 37,775.12 and 15,435.68

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Solution

The fourth proportional to 27,372.38, 37,775.12 and 15,435.68 is: 21,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.38 : 37,775.12 = 15,435.68 : x
  2. Step 2: Convert to fraction form
    27,372.38/37,775.12 = 15,435.68/x
  3. Step 3: Cross multiply
    27,372.38x = 37,775.12 × 15,435.68
  4. Step 4: Simplify right side
    27,372.38x = 583,084,664.28
  5. Step 5: Solve for x
    x = 583,084,664.28/27,372.38
  6. Step 6: Final answer
    x = 21,301.94

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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.