Home / 27,765.14-38,315.80-15,189.89

Finding the Fourth Proportional to 27,765.14, 38,315.80 and 15,189.89

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Solution

The fourth proportional to 27,765.14, 38,315.80 and 15,189.89 is: 20,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.14 : 38,315.80 = 15,189.89 : x
  2. Step 2: Convert to fraction form
    27,765.14/38,315.80 = 15,189.89/x
  3. Step 3: Cross multiply
    27,765.14x = 38,315.80 × 15,189.89
  4. Step 4: Simplify right side
    27,765.14x = 582,012,787.26
  5. Step 5: Solve for x
    x = 582,012,787.26/27,765.14
  6. Step 6: Final answer
    x = 20,962.00

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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.