Home / 27,145.13-37,459.24-15,207.87

Finding the Fourth Proportional to 27,145.13, 37,459.24 and 15,207.87

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Solution

The fourth proportional to 27,145.13, 37,459.24 and 15,207.87 is: 20,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.13 : 37,459.24 = 15,207.87 : x
  2. Step 2: Convert to fraction form
    27,145.13/37,459.24 = 15,207.87/x
  3. Step 3: Cross multiply
    27,145.13x = 37,459.24 × 15,207.87
  4. Step 4: Simplify right side
    27,145.13x = 569,675,252.22
  5. Step 5: Solve for x
    x = 569,675,252.22/27,145.13
  6. Step 6: Final answer
    x = 20,986.28

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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.