Home / 25,223.11-34,808.78-15,668.23

Finding the Fourth Proportional to 25,223.11, 34,808.78 and 15,668.23

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Solution

The fourth proportional to 25,223.11, 34,808.78 and 15,668.23 is: 21,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.11 : 34,808.78 = 15,668.23 : x
  2. Step 2: Convert to fraction form
    25,223.11/34,808.78 = 15,668.23/x
  3. Step 3: Cross multiply
    25,223.11x = 34,808.78 × 15,668.23
  4. Step 4: Simplify right side
    25,223.11x = 545,391,971.06
  5. Step 5: Solve for x
    x = 545,391,971.06/25,223.11
  6. Step 6: Final answer
    x = 21,622.71

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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.