Home / 28,165.47-38,833.07-18,076.11

Finding the Fourth Proportional to 28,165.47, 38,833.07 and 18,076.11

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Solution

The fourth proportional to 28,165.47, 38,833.07 and 18,076.11 is: 24,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.47 : 38,833.07 = 18,076.11 : x
  2. Step 2: Convert to fraction form
    28,165.47/38,833.07 = 18,076.11/x
  3. Step 3: Cross multiply
    28,165.47x = 38,833.07 × 18,076.11
  4. Step 4: Simplify right side
    28,165.47x = 701,950,754.58
  5. Step 5: Solve for x
    x = 701,950,754.58/28,165.47
  6. Step 6: Final answer
    x = 24,922.39

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1.5x scale

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.