Home / 27,743.22-38,283.98-15,807.87

Finding the Fourth Proportional to 27,743.22, 38,283.98 and 15,807.87

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Solution

The fourth proportional to 27,743.22, 38,283.98 and 15,807.87 is: 21,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.22 : 38,283.98 = 15,807.87 : x
  2. Step 2: Convert to fraction form
    27,743.22/38,283.98 = 15,807.87/x
  3. Step 3: Cross multiply
    27,743.22x = 38,283.98 × 15,807.87
  4. Step 4: Simplify right side
    27,743.22x = 605,188,099.88
  5. Step 5: Solve for x
    x = 605,188,099.88/27,743.22
  6. Step 6: Final answer
    x = 21,813.91

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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.