Home / 27,219.00-37,564.07-15,120.87

Finding the Fourth Proportional to 27,219.00, 37,564.07 and 15,120.87

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Solution

The fourth proportional to 27,219.00, 37,564.07 and 15,120.87 is: 20,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.00 : 37,564.07 = 15,120.87 : x
  2. Step 2: Convert to fraction form
    27,219.00/37,564.07 = 15,120.87/x
  3. Step 3: Cross multiply
    27,219.00x = 37,564.07 × 15,120.87
  4. Step 4: Simplify right side
    27,219.00x = 568,001,202.67
  5. Step 5: Solve for x
    x = 568,001,202.67/27,219.00
  6. Step 6: Final answer
    x = 20,867.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.