Home / 28,854.89-39,821.75-16,110.58

Finding the Fourth Proportional to 28,854.89, 39,821.75 and 16,110.58

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Solution

The fourth proportional to 28,854.89, 39,821.75 and 16,110.58 is: 22,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.89 : 39,821.75 = 16,110.58 : x
  2. Step 2: Convert to fraction form
    28,854.89/39,821.75 = 16,110.58/x
  3. Step 3: Cross multiply
    28,854.89x = 39,821.75 × 16,110.58
  4. Step 4: Simplify right side
    28,854.89x = 641,551,489.12
  5. Step 5: Solve for x
    x = 641,551,489.12/28,854.89
  6. Step 6: Final answer
    x = 22,233.72

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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.