Home / 20,045.12-27,661.87-11,092.62

Finding the Fourth Proportional to 20,045.12, 27,661.87 and 11,092.62

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Solution

The fourth proportional to 20,045.12, 27,661.87 and 11,092.62 is: 15,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.12 : 27,661.87 = 11,092.62 : x
  2. Step 2: Convert to fraction form
    20,045.12/27,661.87 = 11,092.62/x
  3. Step 3: Cross multiply
    20,045.12x = 27,661.87 × 11,092.62
  4. Step 4: Simplify right side
    20,045.12x = 306,842,598.53
  5. Step 5: Solve for x
    x = 306,842,598.53/20,045.12
  6. Step 6: Final answer
    x = 15,307.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.