Home / 20,589.32-30,885.78-5,798.36

Finding the Fourth Proportional to 20,589.32, 30,885.78 and 5,798.36

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Solution

The fourth proportional to 20,589.32, 30,885.78 and 5,798.36 is: 8,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.32 : 30,885.78 = 5,798.36 : x
  2. Step 2: Convert to fraction form
    20,589.32/30,885.78 = 5,798.36/x
  3. Step 3: Cross multiply
    20,589.32x = 30,885.78 × 5,798.36
  4. Step 4: Simplify right side
    20,589.32x = 179,086,871.32
  5. Step 5: Solve for x
    x = 179,086,871.32/20,589.32
  6. Step 6: Final answer
    x = 8,698.05

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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.