Home / 25,418.70-35,078.94-14,088.18

Finding the Fourth Proportional to 25,418.70, 35,078.94 and 14,088.18

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Solution

The fourth proportional to 25,418.70, 35,078.94 and 14,088.18 is: 19,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.70 : 35,078.94 = 14,088.18 : x
  2. Step 2: Convert to fraction form
    25,418.70/35,078.94 = 14,088.18/x
  3. Step 3: Cross multiply
    25,418.70x = 35,078.94 × 14,088.18
  4. Step 4: Simplify right side
    25,418.70x = 494,198,420.93
  5. Step 5: Solve for x
    x = 494,198,420.93/25,418.70
  6. Step 6: Final answer
    x = 19,442.32

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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.