Home / 27,198.36-37,531.02-15,868.92

Finding the Fourth Proportional to 27,198.36, 37,531.02 and 15,868.92

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Solution

The fourth proportional to 27,198.36, 37,531.02 and 15,868.92 is: 21,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.36 : 37,531.02 = 15,868.92 : x
  2. Step 2: Convert to fraction form
    27,198.36/37,531.02 = 15,868.92/x
  3. Step 3: Cross multiply
    27,198.36x = 37,531.02 × 15,868.92
  4. Step 4: Simplify right side
    27,198.36x = 595,576,753.90
  5. Step 5: Solve for x
    x = 595,576,753.90/27,198.36
  6. Step 6: Final answer
    x = 21,897.52

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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.