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Finding the Fourth Proportional to 27,987.53, 41,992.22 and 10,458.72

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Solution

The fourth proportional to 27,987.53, 41,992.22 and 10,458.72 is: 15,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,987.53 : 41,992.22 = 10,458.72 : x
  2. Step 2: Convert to fraction form
    27,987.53/41,992.22 = 10,458.72/x
  3. Step 3: Cross multiply
    27,987.53x = 41,992.22 × 10,458.72
  4. Step 4: Simplify right side
    27,987.53x = 439,184,897.31
  5. Step 5: Solve for x
    x = 439,184,897.31/27,987.53
  6. Step 6: Final answer
    x = 15,692.17

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