Home / 28,648.76-39,534.52-15,901.90

Finding the Fourth Proportional to 28,648.76, 39,534.52 and 15,901.90

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Solution

The fourth proportional to 28,648.76, 39,534.52 and 15,901.90 is: 21,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.76 : 39,534.52 = 15,901.90 : x
  2. Step 2: Convert to fraction form
    28,648.76/39,534.52 = 15,901.90/x
  3. Step 3: Cross multiply
    28,648.76x = 39,534.52 × 15,901.90
  4. Step 4: Simplify right side
    28,648.76x = 628,673,845.00
  5. Step 5: Solve for x
    x = 628,673,845.00/28,648.76
  6. Step 6: Final answer
    x = 21,944.19

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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.