Home / 20,437.02-30,629.18-8,577.44

Finding the Fourth Proportional to 20,437.02, 30,629.18 and 8,577.44

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Solution

The fourth proportional to 20,437.02, 30,629.18 and 8,577.44 is: 12,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.02 : 30,629.18 = 8,577.44 : x
  2. Step 2: Convert to fraction form
    20,437.02/30,629.18 = 8,577.44/x
  3. Step 3: Cross multiply
    20,437.02x = 30,629.18 × 8,577.44
  4. Step 4: Simplify right side
    20,437.02x = 262,719,953.70
  5. Step 5: Solve for x
    x = 262,719,953.70/20,437.02
  6. Step 6: Final answer
    x = 12,855.10

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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.