Home / 20,627.28-30,947.04-6,588.20

Finding the Fourth Proportional to 20,627.28, 30,947.04 and 6,588.20

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Solution

The fourth proportional to 20,627.28, 30,947.04 and 6,588.20 is: 9,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.28 : 30,947.04 = 6,588.20 : x
  2. Step 2: Convert to fraction form
    20,627.28/30,947.04 = 6,588.20/x
  3. Step 3: Cross multiply
    20,627.28x = 30,947.04 × 6,588.20
  4. Step 4: Simplify right side
    20,627.28x = 203,885,288.93
  5. Step 5: Solve for x
    x = 203,885,288.93/20,627.28
  6. Step 6: Final answer
    x = 9,884.25

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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.