Home / 28,044.78-38,703.87-16,108.62

Finding the Fourth Proportional to 28,044.78, 38,703.87 and 16,108.62

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Solution

The fourth proportional to 28,044.78, 38,703.87 and 16,108.62 is: 22,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.78 : 38,703.87 = 16,108.62 : x
  2. Step 2: Convert to fraction form
    28,044.78/38,703.87 = 16,108.62/x
  3. Step 3: Cross multiply
    28,044.78x = 38,703.87 × 16,108.62
  4. Step 4: Simplify right side
    28,044.78x = 623,465,934.36
  5. Step 5: Solve for x
    x = 623,465,934.36/28,044.78
  6. Step 6: Final answer
    x = 22,231.09

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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.