Home / 25,222.88-34,808.48-15,668.00

Finding the Fourth Proportional to 25,222.88, 34,808.48 and 15,668.00

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Solution

The fourth proportional to 25,222.88, 34,808.48 and 15,668.00 is: 21,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.88 : 34,808.48 = 15,668.00 : x
  2. Step 2: Convert to fraction form
    25,222.88/34,808.48 = 15,668.00/x
  3. Step 3: Cross multiply
    25,222.88x = 34,808.48 × 15,668.00
  4. Step 4: Simplify right side
    25,222.88x = 545,379,273.32
  5. Step 5: Solve for x
    x = 545,379,273.32/25,222.88
  6. Step 6: Final answer
    x = 21,622.40

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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.