Home / 28,885.31-39,861.99-16,948.85

Finding the Fourth Proportional to 28,885.31, 39,861.99 and 16,948.85

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Solution

The fourth proportional to 28,885.31, 39,861.99 and 16,948.85 is: 23,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.31 : 39,861.99 = 16,948.85 : x
  2. Step 2: Convert to fraction form
    28,885.31/39,861.99 = 16,948.85/x
  3. Step 3: Cross multiply
    28,885.31x = 39,861.99 × 16,948.85
  4. Step 4: Simplify right side
    28,885.31x = 675,614,689.90
  5. Step 5: Solve for x
    x = 675,614,689.90/28,885.31
  6. Step 6: Final answer
    x = 23,389.56

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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.