Home / 34,493.80-47,578.98-28,196.20

Finding the Fourth Proportional to 34,493.80, 47,578.98 and 28,196.20

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Solution

The fourth proportional to 34,493.80, 47,578.98 and 28,196.20 is: 38,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,493.80 : 47,578.98 = 28,196.20 : x
  2. Step 2: Convert to fraction form
    34,493.80/47,578.98 = 28,196.20/x
  3. Step 3: Cross multiply
    34,493.80x = 47,578.98 × 28,196.20
  4. Step 4: Simplify right side
    34,493.80x = 1,341,546,435.88
  5. Step 5: Solve for x
    x = 1,341,546,435.88/34,493.80
  6. Step 6: Final answer
    x = 38,892.39

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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.