Home / 20,392.28-30,582.54-5,601.68

Finding the Fourth Proportional to 20,392.28, 30,582.54 and 5,601.68

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Solution

The fourth proportional to 20,392.28, 30,582.54 and 5,601.68 is: 8,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.28 : 30,582.54 = 5,601.68 : x
  2. Step 2: Convert to fraction form
    20,392.28/30,582.54 = 5,601.68/x
  3. Step 3: Cross multiply
    20,392.28x = 30,582.54 × 5,601.68
  4. Step 4: Simplify right side
    20,392.28x = 171,313,602.67
  5. Step 5: Solve for x
    x = 171,313,602.67/20,392.28
  6. Step 6: Final answer
    x = 8,400.90

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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.