Home / 28,884.67-39,861.12-16,948.21

Finding the Fourth Proportional to 28,884.67, 39,861.12 and 16,948.21

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Solution

The fourth proportional to 28,884.67, 39,861.12 and 16,948.21 is: 23,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.67 : 39,861.12 = 16,948.21 : x
  2. Step 2: Convert to fraction form
    28,884.67/39,861.12 = 16,948.21/x
  3. Step 3: Cross multiply
    28,884.67x = 39,861.12 × 16,948.21
  4. Step 4: Simplify right side
    28,884.67x = 675,574,348.55
  5. Step 5: Solve for x
    x = 675,574,348.55/28,884.67
  6. Step 6: Final answer
    x = 23,388.69

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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.