Home / 28,910.25-39,896.15-16,335

Finding the Fourth Proportional to 28,910.25, 39,896.15 and 16,335

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Solution

The fourth proportional to 28,910.25, 39,896.15 and 16,335 is: 22,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.25 : 39,896.15 = 16,335 : x
  2. Step 2: Convert to fraction form
    28,910.25/39,896.15 = 16,335/x
  3. Step 3: Cross multiply
    28,910.25x = 39,896.15 × 16,335
  4. Step 4: Simplify right side
    28,910.25x = 651,703,528.58
  5. Step 5: Solve for x
    x = 651,703,528.58/28,910.25
  6. Step 6: Final answer
    x = 22,542.30

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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.