Home / 20,388.66-30,582.63-5,597.52

Finding the Fourth Proportional to 20,388.66, 30,582.63 and 5,597.52

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Solution

The fourth proportional to 20,388.66, 30,582.63 and 5,597.52 is: 8,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388.66 : 30,582.63 = 5,597.52 : x
  2. Step 2: Convert to fraction form
    20,388.66/30,582.63 = 5,597.52/x
  3. Step 3: Cross multiply
    20,388.66x = 30,582.63 × 5,597.52
  4. Step 4: Simplify right side
    20,388.66x = 171,186,883.08
  5. Step 5: Solve for x
    x = 171,186,883.08/20,388.66
  6. Step 6: Final answer
    x = 8,396.18

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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.