Home / 19,562.28-29,343.72-4,771.47

Finding the Fourth Proportional to 19,562.28, 29,343.72 and 4,771.47

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Solution

The fourth proportional to 19,562.28, 29,343.72 and 4,771.47 is: 7,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.28 : 29,343.72 = 4,771.47 : x
  2. Step 2: Convert to fraction form
    19,562.28/29,343.72 = 4,771.47/x
  3. Step 3: Cross multiply
    19,562.28x = 29,343.72 × 4,771.47
  4. Step 4: Simplify right side
    19,562.28x = 140,012,780.76
  5. Step 5: Solve for x
    x = 140,012,780.76/19,562.28
  6. Step 6: Final answer
    x = 7,157.28

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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.