Home / 38,480.14-57,721.86-15,111.64

Finding the Fourth Proportional to 38,480.14, 57,721.86 and 15,111.64

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Solution

The fourth proportional to 38,480.14, 57,721.86 and 15,111.64 is: 22,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.14 : 57,721.86 = 15,111.64 : x
  2. Step 2: Convert to fraction form
    38,480.14/57,721.86 = 15,111.64/x
  3. Step 3: Cross multiply
    38,480.14x = 57,721.86 × 15,111.64
  4. Step 4: Simplify right side
    38,480.14x = 872,271,968.45
  5. Step 5: Solve for x
    x = 872,271,968.45/38,480.14
  6. Step 6: Final answer
    x = 22,668.11

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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.