Home / 25,891.15-35,735.69-18,329.62

Finding the Fourth Proportional to 25,891.15, 35,735.69 and 18,329.62

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Solution

The fourth proportional to 25,891.15, 35,735.69 and 18,329.62 is: 25,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.15 : 35,735.69 = 18,329.62 : x
  2. Step 2: Convert to fraction form
    25,891.15/35,735.69 = 18,329.62/x
  3. Step 3: Cross multiply
    25,891.15x = 35,735.69 × 18,329.62
  4. Step 4: Simplify right side
    25,891.15x = 655,021,618.14
  5. Step 5: Solve for x
    x = 655,021,618.14/25,891.15
  6. Step 6: Final answer
    x = 25,299.05

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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.