Home / 28,660.47-39,550.66-17,181.87

Finding the Fourth Proportional to 28,660.47, 39,550.66 and 17,181.87

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Solution

The fourth proportional to 28,660.47, 39,550.66 and 17,181.87 is: 23,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.47 : 39,550.66 = 17,181.87 : x
  2. Step 2: Convert to fraction form
    28,660.47/39,550.66 = 17,181.87/x
  3. Step 3: Cross multiply
    28,660.47x = 39,550.66 × 17,181.87
  4. Step 4: Simplify right side
    28,660.47x = 679,554,298.53
  5. Step 5: Solve for x
    x = 679,554,298.53/28,660.47
  6. Step 6: Final answer
    x = 23,710.51

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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.