Home / 25,794.20-38,693.10-10,209.80

Finding the Fourth Proportional to 25,794.20, 38,693.10 and 10,209.80

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Solution

The fourth proportional to 25,794.20, 38,693.10 and 10,209.80 is: 15,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.20 : 38,693.10 = 10,209.80 : x
  2. Step 2: Convert to fraction form
    25,794.20/38,693.10 = 10,209.80/x
  3. Step 3: Cross multiply
    25,794.20x = 38,693.10 × 10,209.80
  4. Step 4: Simplify right side
    25,794.20x = 395,048,812.38
  5. Step 5: Solve for x
    x = 395,048,812.38/25,794.20
  6. Step 6: Final answer
    x = 15,315.41

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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.