Home / 27,998.61-38,631.44-15,896.46

Finding the Fourth Proportional to 27,998.61, 38,631.44 and 15,896.46

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Solution

The fourth proportional to 27,998.61, 38,631.44 and 15,896.46 is: 21,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.61 : 38,631.44 = 15,896.46 : x
  2. Step 2: Convert to fraction form
    27,998.61/38,631.44 = 15,896.46/x
  3. Step 3: Cross multiply
    27,998.61x = 38,631.44 × 15,896.46
  4. Step 4: Simplify right side
    27,998.61x = 614,102,868.06
  5. Step 5: Solve for x
    x = 614,102,868.06/27,998.61
  6. Step 6: Final answer
    x = 21,933.34

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Double scale
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Similar ratio
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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.