Home / 27,788.56-38,344.63-15,851.19

Finding the Fourth Proportional to 27,788.56, 38,344.63 and 15,851.19

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Solution

The fourth proportional to 27,788.56, 38,344.63 and 15,851.19 is: 21,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.56 : 38,344.63 = 15,851.19 : x
  2. Step 2: Convert to fraction form
    27,788.56/38,344.63 = 15,851.19/x
  3. Step 3: Cross multiply
    27,788.56x = 38,344.63 × 15,851.19
  4. Step 4: Simplify right side
    27,788.56x = 607,808,015.61
  5. Step 5: Solve for x
    x = 607,808,015.61/27,788.56
  6. Step 6: Final answer
    x = 21,872.60

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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.