Home / 25,465.42-38,107.83-18,786.11

Finding the Fourth Proportional to 25,465.42, 38,107.83 and 18,786.11

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Solution

The fourth proportional to 25,465.42, 38,107.83 and 18,786.11 is: 28,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.42 : 38,107.83 = 18,786.11 : x
  2. Step 2: Convert to fraction form
    25,465.42/38,107.83 = 18,786.11/x
  3. Step 3: Cross multiply
    25,465.42x = 38,107.83 × 18,786.11
  4. Step 4: Simplify right side
    25,465.42x = 715,897,886.24
  5. Step 5: Solve for x
    x = 715,897,886.24/25,465.42
  6. Step 6: Final answer
    x = 28,112.55

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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.