Home / 20,387.28-30,580.76-5,596.14

Finding the Fourth Proportional to 20,387.28, 30,580.76 and 5,596.14

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Solution

The fourth proportional to 20,387.28, 30,580.76 and 5,596.14 is: 8,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,387.28 : 30,580.76 = 5,596.14 : x
  2. Step 2: Convert to fraction form
    20,387.28/30,580.76 = 5,596.14/x
  3. Step 3: Cross multiply
    20,387.28x = 30,580.76 × 5,596.14
  4. Step 4: Simplify right side
    20,387.28x = 171,134,214.27
  5. Step 5: Solve for x
    x = 171,134,214.27/20,387.28
  6. Step 6: Final answer
    x = 8,394.17

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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.