Home / 25,649.18-35,391.61-17,137.65

Finding the Fourth Proportional to 25,649.18, 35,391.61 and 17,137.65

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Solution

The fourth proportional to 25,649.18, 35,391.61 and 17,137.65 is: 23,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.18 : 35,391.61 = 17,137.65 : x
  2. Step 2: Convert to fraction form
    25,649.18/35,391.61 = 17,137.65/x
  3. Step 3: Cross multiply
    25,649.18x = 35,391.61 × 17,137.65
  4. Step 4: Simplify right side
    25,649.18x = 606,529,025.12
  5. Step 5: Solve for x
    x = 606,529,025.12/25,649.18
  6. Step 6: Final answer
    x = 23,647.11

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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.