Home / 27,794.75-38,362.71-17,720.87

Finding the Fourth Proportional to 27,794.75, 38,362.71 and 17,720.87

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Solution

The fourth proportional to 27,794.75, 38,362.71 and 17,720.87 is: 24,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.75 : 38,362.71 = 17,720.87 : x
  2. Step 2: Convert to fraction form
    27,794.75/38,362.71 = 17,720.87/x
  3. Step 3: Cross multiply
    27,794.75x = 38,362.71 × 17,720.87
  4. Step 4: Simplify right side
    27,794.75x = 679,820,596.76
  5. Step 5: Solve for x
    x = 679,820,596.76/27,794.75
  6. Step 6: Final answer
    x = 24,458.60

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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.