Home / 28,228.67-38,952.76-16,295.85

Finding the Fourth Proportional to 28,228.67, 38,952.76 and 16,295.85

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Solution

The fourth proportional to 28,228.67, 38,952.76 and 16,295.85 is: 22,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.67 : 38,952.76 = 16,295.85 : x
  2. Step 2: Convert to fraction form
    28,228.67/38,952.76 = 16,295.85/x
  3. Step 3: Cross multiply
    28,228.67x = 38,952.76 × 16,295.85
  4. Step 4: Simplify right side
    28,228.67x = 634,768,334.05
  5. Step 5: Solve for x
    x = 634,768,334.05/28,228.67
  6. Step 6: Final answer
    x = 22,486.65

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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.