Home / 28,269.54-42,370.29-11,607.03

Finding the Fourth Proportional to 28,269.54, 42,370.29 and 11,607.03

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Solution

The fourth proportional to 28,269.54, 42,370.29 and 11,607.03 is: 17,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.54 : 42,370.29 = 11,607.03 : x
  2. Step 2: Convert to fraction form
    28,269.54/42,370.29 = 11,607.03/x
  3. Step 3: Cross multiply
    28,269.54x = 42,370.29 × 11,607.03
  4. Step 4: Simplify right side
    28,269.54x = 491,793,227.14
  5. Step 5: Solve for x
    x = 491,793,227.14/28,269.54
  6. Step 6: Final answer
    x = 17,396.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.