Home / 28,464.28-39,278.62-16,525.38

Finding the Fourth Proportional to 28,464.28, 39,278.62 and 16,525.38

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Solution

The fourth proportional to 28,464.28, 39,278.62 and 16,525.38 is: 22,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.28 : 39,278.62 = 16,525.38 : x
  2. Step 2: Convert to fraction form
    28,464.28/39,278.62 = 16,525.38/x
  3. Step 3: Cross multiply
    28,464.28x = 39,278.62 × 16,525.38
  4. Step 4: Simplify right side
    28,464.28x = 649,094,121.38
  5. Step 5: Solve for x
    x = 649,094,121.38/28,464.28
  6. Step 6: Final answer
    x = 22,803.81

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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.