Home / 25,378.16-38,089.86-12,067.57

Finding the Fourth Proportional to 25,378.16, 38,089.86 and 12,067.57

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Solution

The fourth proportional to 25,378.16, 38,089.86 and 12,067.57 is: 18,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.16 : 38,089.86 = 12,067.57 : x
  2. Step 2: Convert to fraction form
    25,378.16/38,089.86 = 12,067.57/x
  3. Step 3: Cross multiply
    25,378.16x = 38,089.86 × 12,067.57
  4. Step 4: Simplify right side
    25,378.16x = 459,651,801.05
  5. Step 5: Solve for x
    x = 459,651,801.05/25,378.16
  6. Step 6: Final answer
    x = 18,112.10

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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.