Home / 20,560.28-30,838.03-5,770.46

Finding the Fourth Proportional to 20,560.28, 30,838.03 and 5,770.46

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Solution

The fourth proportional to 20,560.28, 30,838.03 and 5,770.46 is: 8,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.28 : 30,838.03 = 5,770.46 : x
  2. Step 2: Convert to fraction form
    20,560.28/30,838.03 = 5,770.46/x
  3. Step 3: Cross multiply
    20,560.28x = 30,838.03 × 5,770.46
  4. Step 4: Simplify right side
    20,560.28x = 177,949,681.26
  5. Step 5: Solve for x
    x = 177,949,681.26/20,560.28
  6. Step 6: Final answer
    x = 8,655.02

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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.