Home / 25,684.32-38,529.55-10,891.32

Finding the Fourth Proportional to 25,684.32, 38,529.55 and 10,891.32

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Solution

The fourth proportional to 25,684.32, 38,529.55 and 10,891.32 is: 16,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,684.32 : 38,529.55 = 10,891.32 : x
  2. Step 2: Convert to fraction form
    25,684.32/38,529.55 = 10,891.32/x
  3. Step 3: Cross multiply
    25,684.32x = 38,529.55 × 10,891.32
  4. Step 4: Simplify right side
    25,684.32x = 419,637,465.86
  5. Step 5: Solve for x
    x = 419,637,465.86/25,684.32
  6. Step 6: Final answer
    x = 16,338.27

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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.