Home / 25,280.17-37,890.72-19,020.07

Finding the Fourth Proportional to 25,280.17, 37,890.72 and 19,020.07

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Solution

The fourth proportional to 25,280.17, 37,890.72 and 19,020.07 is: 28,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.17 : 37,890.72 = 19,020.07 : x
  2. Step 2: Convert to fraction form
    25,280.17/37,890.72 = 19,020.07/x
  3. Step 3: Cross multiply
    25,280.17x = 37,890.72 × 19,020.07
  4. Step 4: Simplify right side
    25,280.17x = 720,684,004.85
  5. Step 5: Solve for x
    x = 720,684,004.85/25,280.17
  6. Step 6: Final answer
    x = 28,507.88

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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.