Home / 27,975.42-38,604.33-15,400.17

Finding the Fourth Proportional to 27,975.42, 38,604.33 and 15,400.17

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Solution

The fourth proportional to 27,975.42, 38,604.33 and 15,400.17 is: 21,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.42 : 38,604.33 = 15,400.17 : x
  2. Step 2: Convert to fraction form
    27,975.42/38,604.33 = 15,400.17/x
  3. Step 3: Cross multiply
    27,975.42x = 38,604.33 × 15,400.17
  4. Step 4: Simplify right side
    27,975.42x = 594,513,244.74
  5. Step 5: Solve for x
    x = 594,513,244.74/27,975.42
  6. Step 6: Final answer
    x = 21,251.27

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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.