Home / 20,392.40-30,585.30-5,597.85

Finding the Fourth Proportional to 20,392.40, 30,585.30 and 5,597.85

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Solution

The fourth proportional to 20,392.40, 30,585.30 and 5,597.85 is: 8,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.40 : 30,585.30 = 5,597.85 : x
  2. Step 2: Convert to fraction form
    20,392.40/30,585.30 = 5,597.85/x
  3. Step 3: Cross multiply
    20,392.40x = 30,585.30 × 5,597.85
  4. Step 4: Simplify right side
    20,392.40x = 171,211,921.61
  5. Step 5: Solve for x
    x = 171,211,921.61/20,392.40
  6. Step 6: Final answer
    x = 8,395.87

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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.