Home / 20,071.02-27,699.57-11,119.35

Finding the Fourth Proportional to 20,071.02, 27,699.57 and 11,119.35

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Solution

The fourth proportional to 20,071.02, 27,699.57 and 11,119.35 is: 15,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.02 : 27,699.57 = 11,119.35 : x
  2. Step 2: Convert to fraction form
    20,071.02/27,699.57 = 11,119.35/x
  3. Step 3: Cross multiply
    20,071.02x = 27,699.57 × 11,119.35
  4. Step 4: Simplify right side
    20,071.02x = 308,001,213.68
  5. Step 5: Solve for x
    x = 308,001,213.68/20,071.02
  6. Step 6: Final answer
    x = 15,345.57

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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.