Home / 28,067.84-38,732.65-16,731.50

Finding the Fourth Proportional to 28,067.84, 38,732.65 and 16,731.50

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Solution

The fourth proportional to 28,067.84, 38,732.65 and 16,731.50 is: 23,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.84 : 38,732.65 = 16,731.50 : x
  2. Step 2: Convert to fraction form
    28,067.84/38,732.65 = 16,731.50/x
  3. Step 3: Cross multiply
    28,067.84x = 38,732.65 × 16,731.50
  4. Step 4: Simplify right side
    28,067.84x = 648,055,097.98
  5. Step 5: Solve for x
    x = 648,055,097.98/28,067.84
  6. Step 6: Final answer
    x = 23,088.88

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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.