Home / 25,843.05-38,779.29-13,996.80

Finding the Fourth Proportional to 25,843.05, 38,779.29 and 13,996.80

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Solution

The fourth proportional to 25,843.05, 38,779.29 and 13,996.80 is: 21,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843.05 : 38,779.29 = 13,996.80 : x
  2. Step 2: Convert to fraction form
    25,843.05/38,779.29 = 13,996.80/x
  3. Step 3: Cross multiply
    25,843.05x = 38,779.29 × 13,996.80
  4. Step 4: Simplify right side
    25,843.05x = 542,785,966.27
  5. Step 5: Solve for x
    x = 542,785,966.27/25,843.05
  6. Step 6: Final answer
    x = 21,003.17

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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.