Home / 27,019.46-37,286.88-15,082.78

Finding the Fourth Proportional to 27,019.46, 37,286.88 and 15,082.78

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Solution

The fourth proportional to 27,019.46, 37,286.88 and 15,082.78 is: 20,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.46 : 37,286.88 = 15,082.78 : x
  2. Step 2: Convert to fraction form
    27,019.46/37,286.88 = 15,082.78/x
  3. Step 3: Cross multiply
    27,019.46x = 37,286.88 × 15,082.78
  4. Step 4: Simplify right side
    27,019.46x = 562,389,807.93
  5. Step 5: Solve for x
    x = 562,389,807.93/27,019.46
  6. Step 6: Final answer
    x = 20,814.25

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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.