Home / 28,972.54-39,982.72-17,642.52

Finding the Fourth Proportional to 28,972.54, 39,982.72 and 17,642.52

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Solution

The fourth proportional to 28,972.54, 39,982.72 and 17,642.52 is: 24,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.54 : 39,982.72 = 17,642.52 : x
  2. Step 2: Convert to fraction form
    28,972.54/39,982.72 = 17,642.52/x
  3. Step 3: Cross multiply
    28,972.54x = 39,982.72 × 17,642.52
  4. Step 4: Simplify right side
    28,972.54x = 705,395,937.25
  5. Step 5: Solve for x
    x = 705,395,937.25/28,972.54
  6. Step 6: Final answer
    x = 24,347.05

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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.