Home / 19,400.57-29,100.28-5,361.44

Finding the Fourth Proportional to 19,400.57, 29,100.28 and 5,361.44

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Solution

The fourth proportional to 19,400.57, 29,100.28 and 5,361.44 is: 8,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.57 : 29,100.28 = 5,361.44 : x
  2. Step 2: Convert to fraction form
    19,400.57/29,100.28 = 5,361.44/x
  3. Step 3: Cross multiply
    19,400.57x = 29,100.28 × 5,361.44
  4. Step 4: Simplify right side
    19,400.57x = 156,019,405.20
  5. Step 5: Solve for x
    x = 156,019,405.20/19,400.57
  6. Step 6: Final answer
    x = 8,042.00

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1.5x scale

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.