Home / 28,910.12-39,893.76-17,578.04

Finding the Fourth Proportional to 28,910.12, 39,893.76 and 17,578.04

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Solution

The fourth proportional to 28,910.12, 39,893.76 and 17,578.04 is: 24,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.12 : 39,893.76 = 17,578.04 : x
  2. Step 2: Convert to fraction form
    28,910.12/39,893.76 = 17,578.04/x
  3. Step 3: Cross multiply
    28,910.12x = 39,893.76 × 17,578.04
  4. Step 4: Simplify right side
    28,910.12x = 701,254,158.68
  5. Step 5: Solve for x
    x = 701,254,158.68/28,910.12
  6. Step 6: Final answer
    x = 24,256.36

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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.