Home / 28,205.54-42,294.48-11,561.04

Finding the Fourth Proportional to 28,205.54, 42,294.48 and 11,561.04

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Solution

The fourth proportional to 28,205.54, 42,294.48 and 11,561.04 is: 17,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.54 : 42,294.48 = 11,561.04 : x
  2. Step 2: Convert to fraction form
    28,205.54/42,294.48 = 11,561.04/x
  3. Step 3: Cross multiply
    28,205.54x = 42,294.48 × 11,561.04
  4. Step 4: Simplify right side
    28,205.54x = 488,968,175.06
  5. Step 5: Solve for x
    x = 488,968,175.06/28,205.54
  6. Step 6: Final answer
    x = 17,335.89

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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.