Home / 29,280.20-40,406.65-15,851.44

Finding the Fourth Proportional to 29,280.20, 40,406.65 and 15,851.44

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Solution

The fourth proportional to 29,280.20, 40,406.65 and 15,851.44 is: 21,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.20 : 40,406.65 = 15,851.44 : x
  2. Step 2: Convert to fraction form
    29,280.20/40,406.65 = 15,851.44/x
  3. Step 3: Cross multiply
    29,280.20x = 40,406.65 × 15,851.44
  4. Step 4: Simplify right side
    29,280.20x = 640,503,598.96
  5. Step 5: Solve for x
    x = 640,503,598.96/29,280.20
  6. Step 6: Final answer
    x = 21,874.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.