Home / 28,228.67-38,956.77-16,291.97

Finding the Fourth Proportional to 28,228.67, 38,956.77 and 16,291.97

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Solution

The fourth proportional to 28,228.67, 38,956.77 and 16,291.97 is: 22,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.67 : 38,956.77 = 16,291.97 : x
  2. Step 2: Convert to fraction form
    28,228.67/38,956.77 = 16,291.97/x
  3. Step 3: Cross multiply
    28,228.67x = 38,956.77 × 16,291.97
  4. Step 4: Simplify right side
    28,228.67x = 634,682,333.35
  5. Step 5: Solve for x
    x = 634,682,333.35/28,228.67
  6. Step 6: Final answer
    x = 22,483.61

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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.