Home / 26,427.92-39,635.40-8,897.36

Finding the Fourth Proportional to 26,427.92, 39,635.40 and 8,897.36

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Solution

The fourth proportional to 26,427.92, 39,635.40 and 8,897.36 is: 13,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.92 : 39,635.40 = 8,897.36 : x
  2. Step 2: Convert to fraction form
    26,427.92/39,635.40 = 8,897.36/x
  3. Step 3: Cross multiply
    26,427.92x = 39,635.40 × 8,897.36
  4. Step 4: Simplify right side
    26,427.92x = 352,650,422.54
  5. Step 5: Solve for x
    x = 352,650,422.54/26,427.92
  6. Step 6: Final answer
    x = 13,343.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.