Home / 39,858.48-59,721.84-17,638.56

Finding the Fourth Proportional to 39,858.48, 59,721.84 and 17,638.56

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Solution

The fourth proportional to 39,858.48, 59,721.84 and 17,638.56 is: 26,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.48 : 59,721.84 = 17,638.56 : x
  2. Step 2: Convert to fraction form
    39,858.48/59,721.84 = 17,638.56/x
  3. Step 3: Cross multiply
    39,858.48x = 59,721.84 × 17,638.56
  4. Step 4: Simplify right side
    39,858.48x = 1,053,407,258.15
  5. Step 5: Solve for x
    x = 1,053,407,258.15/39,858.48
  6. Step 6: Final answer
    x = 26,428.69

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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.