Home / 25,623-38,415.78-17,282.28

Finding the Fourth Proportional to 25,623, 38,415.78 and 17,282.28

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Solution

The fourth proportional to 25,623, 38,415.78 and 17,282.28 is: 25,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623 : 38,415.78 = 17,282.28 : x
  2. Step 2: Convert to fraction form
    25,623/38,415.78 = 17,282.28/x
  3. Step 3: Cross multiply
    25,623x = 38,415.78 × 17,282.28
  4. Step 4: Simplify right side
    25,623x = 663,912,266.38
  5. Step 5: Solve for x
    x = 663,912,266.38/25,623
  6. Step 6: Final answer
    x = 25,910.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.