Home / 27,435.73-37,862.09-15,499.57

Finding the Fourth Proportional to 27,435.73, 37,862.09 and 15,499.57

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Solution

The fourth proportional to 27,435.73, 37,862.09 and 15,499.57 is: 21,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.73 : 37,862.09 = 15,499.57 : x
  2. Step 2: Convert to fraction form
    27,435.73/37,862.09 = 15,499.57/x
  3. Step 3: Cross multiply
    27,435.73x = 37,862.09 × 15,499.57
  4. Step 4: Simplify right side
    27,435.73x = 586,846,114.30
  5. Step 5: Solve for x
    x = 586,846,114.30/27,435.73
  6. Step 6: Final answer
    x = 21,389.85

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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.