Home / 28,885.92-39,862.84-16,949.46

Finding the Fourth Proportional to 28,885.92, 39,862.84 and 16,949.46

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Solution

The fourth proportional to 28,885.92, 39,862.84 and 16,949.46 is: 23,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.92 : 39,862.84 = 16,949.46 : x
  2. Step 2: Convert to fraction form
    28,885.92/39,862.84 = 16,949.46/x
  3. Step 3: Cross multiply
    28,885.92x = 39,862.84 × 16,949.46
  4. Step 4: Simplify right side
    28,885.92x = 675,653,412.75
  5. Step 5: Solve for x
    x = 675,653,412.75/28,885.92
  6. Step 6: Final answer
    x = 23,390.41

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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.