Home / 28,910.68-39,896.22-16,335.16

Finding the Fourth Proportional to 28,910.68, 39,896.22 and 16,335.16

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Solution

The fourth proportional to 28,910.68, 39,896.22 and 16,335.16 is: 22,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.68 : 39,896.22 = 16,335.16 : x
  2. Step 2: Convert to fraction form
    28,910.68/39,896.22 = 16,335.16/x
  3. Step 3: Cross multiply
    28,910.68x = 39,896.22 × 16,335.16
  4. Step 4: Simplify right side
    28,910.68x = 651,711,137.10
  5. Step 5: Solve for x
    x = 651,711,137.10/28,910.68
  6. Step 6: Final answer
    x = 22,542.23

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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.