Home / 29,197.20-43,740-19,307.28

Finding the Fourth Proportional to 29,197.20, 43,740 and 19,307.28

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Solution

The fourth proportional to 29,197.20, 43,740 and 19,307.28 is: 28,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,197.20 : 43,740 = 19,307.28 : x
  2. Step 2: Convert to fraction form
    29,197.20/43,740 = 19,307.28/x
  3. Step 3: Cross multiply
    29,197.20x = 43,740 × 19,307.28
  4. Step 4: Simplify right side
    29,197.20x = 844,500,427.20
  5. Step 5: Solve for x
    x = 844,500,427.20/29,197.20
  6. Step 6: Final answer
    x = 28,924.02

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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.