Home / 27,330.05-37,715.87-15,230.21

Finding the Fourth Proportional to 27,330.05, 37,715.87 and 15,230.21

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Solution

The fourth proportional to 27,330.05, 37,715.87 and 15,230.21 is: 21,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.05 : 37,715.87 = 15,230.21 : x
  2. Step 2: Convert to fraction form
    27,330.05/37,715.87 = 15,230.21/x
  3. Step 3: Cross multiply
    27,330.05x = 37,715.87 × 15,230.21
  4. Step 4: Simplify right side
    27,330.05x = 574,420,469.93
  5. Step 5: Solve for x
    x = 574,420,469.93/27,330.05
  6. Step 6: Final answer
    x = 21,017.91

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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.