Home / 25,747.90-38,664.78-17,368.39

Finding the Fourth Proportional to 25,747.90, 38,664.78 and 17,368.39

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Solution

The fourth proportional to 25,747.90, 38,664.78 and 17,368.39 is: 26,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.90 : 38,664.78 = 17,368.39 : x
  2. Step 2: Convert to fraction form
    25,747.90/38,664.78 = 17,368.39/x
  3. Step 3: Cross multiply
    25,747.90x = 38,664.78 × 17,368.39
  4. Step 4: Simplify right side
    25,747.90x = 671,544,978.30
  5. Step 5: Solve for x
    x = 671,544,978.30/25,747.90
  6. Step 6: Final answer
    x = 26,081.54

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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.