Home / 25,578.99-38,369.70-10,000.26

Finding the Fourth Proportional to 25,578.99, 38,369.70 and 10,000.26

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Solution

The fourth proportional to 25,578.99, 38,369.70 and 10,000.26 is: 15,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.99 : 38,369.70 = 10,000.26 : x
  2. Step 2: Convert to fraction form
    25,578.99/38,369.70 = 10,000.26/x
  3. Step 3: Cross multiply
    25,578.99x = 38,369.70 × 10,000.26
  4. Step 4: Simplify right side
    25,578.99x = 383,706,976.12
  5. Step 5: Solve for x
    x = 383,706,976.12/25,578.99
  6. Step 6: Final answer
    x = 15,000.87

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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.