Home / 25,081.84-34,612.40-13,751.04

Finding the Fourth Proportional to 25,081.84, 34,612.40 and 13,751.04

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Solution

The fourth proportional to 25,081.84, 34,612.40 and 13,751.04 is: 18,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.84 : 34,612.40 = 13,751.04 : x
  2. Step 2: Convert to fraction form
    25,081.84/34,612.40 = 13,751.04/x
  3. Step 3: Cross multiply
    25,081.84x = 34,612.40 × 13,751.04
  4. Step 4: Simplify right side
    25,081.84x = 475,956,496.90
  5. Step 5: Solve for x
    x = 475,956,496.90/25,081.84
  6. Step 6: Final answer
    x = 18,976.14

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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.