Home / 27,729.16-38,266.25-15,153.91

Finding the Fourth Proportional to 27,729.16, 38,266.25 and 15,153.91

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Solution

The fourth proportional to 27,729.16, 38,266.25 and 15,153.91 is: 20,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.16 : 38,266.25 = 15,153.91 : x
  2. Step 2: Convert to fraction form
    27,729.16/38,266.25 = 15,153.91/x
  3. Step 3: Cross multiply
    27,729.16x = 38,266.25 × 15,153.91
  4. Step 4: Simplify right side
    27,729.16x = 579,883,308.54
  5. Step 5: Solve for x
    x = 579,883,308.54/27,729.16
  6. Step 6: Final answer
    x = 20,912.40

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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.