Home / 27,975.70-38,605.62-15,400.36

Finding the Fourth Proportional to 27,975.70, 38,605.62 and 15,400.36

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Solution

The fourth proportional to 27,975.70, 38,605.62 and 15,400.36 is: 21,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.70 : 38,605.62 = 15,400.36 : x
  2. Step 2: Convert to fraction form
    27,975.70/38,605.62 = 15,400.36/x
  3. Step 3: Cross multiply
    27,975.70x = 38,605.62 × 15,400.36
  4. Step 4: Simplify right side
    27,975.70x = 594,540,446.02
  5. Step 5: Solve for x
    x = 594,540,446.02/27,975.70
  6. Step 6: Final answer
    x = 21,252.03

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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.