Home / 28,974.28-39,985.39-16,227.43

Finding the Fourth Proportional to 28,974.28, 39,985.39 and 16,227.43

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Solution

The fourth proportional to 28,974.28, 39,985.39 and 16,227.43 is: 22,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.28 : 39,985.39 = 16,227.43 : x
  2. Step 2: Convert to fraction form
    28,974.28/39,985.39 = 16,227.43/x
  3. Step 3: Cross multiply
    28,974.28x = 39,985.39 × 16,227.43
  4. Step 4: Simplify right side
    28,974.28x = 648,860,117.25
  5. Step 5: Solve for x
    x = 648,860,117.25/28,974.28
  6. Step 6: Final answer
    x = 22,394.35

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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.