Home / 25,280.42-37,891.10-19,020.32

Finding the Fourth Proportional to 25,280.42, 37,891.10 and 19,020.32

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Solution

The fourth proportional to 25,280.42, 37,891.10 and 19,020.32 is: 28,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.42 : 37,891.10 = 19,020.32 : x
  2. Step 2: Convert to fraction form
    25,280.42/37,891.10 = 19,020.32/x
  3. Step 3: Cross multiply
    25,280.42x = 37,891.10 × 19,020.32
  4. Step 4: Simplify right side
    25,280.42x = 720,700,610.15
  5. Step 5: Solve for x
    x = 720,700,610.15/25,280.42
  6. Step 6: Final answer
    x = 28,508.26

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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.