Home / 19,616.30-27,084.24-15,071.42

Finding the Fourth Proportional to 19,616.30, 27,084.24 and 15,071.42

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Solution

The fourth proportional to 19,616.30, 27,084.24 and 15,071.42 is: 20,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.30 : 27,084.24 = 15,071.42 : x
  2. Step 2: Convert to fraction form
    19,616.30/27,084.24 = 15,071.42/x
  3. Step 3: Cross multiply
    19,616.30x = 27,084.24 × 15,071.42
  4. Step 4: Simplify right side
    19,616.30x = 408,197,956.42
  5. Step 5: Solve for x
    x = 408,197,956.42/19,616.30
  6. Step 6: Final answer
    x = 20,809.12

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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.