Home / 28,867.93-43,276.14-15,548.15

Finding the Fourth Proportional to 28,867.93, 43,276.14 and 15,548.15

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Solution

The fourth proportional to 28,867.93, 43,276.14 and 15,548.15 is: 23,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.93 : 43,276.14 = 15,548.15 : x
  2. Step 2: Convert to fraction form
    28,867.93/43,276.14 = 15,548.15/x
  3. Step 3: Cross multiply
    28,867.93x = 43,276.14 × 15,548.15
  4. Step 4: Simplify right side
    28,867.93x = 672,864,024.33
  5. Step 5: Solve for x
    x = 672,864,024.33/28,867.93
  6. Step 6: Final answer
    x = 23,308.36

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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.