Home / 25,280.80-37,890.44-17,887.38

Finding the Fourth Proportional to 25,280.80, 37,890.44 and 17,887.38

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Solution

The fourth proportional to 25,280.80, 37,890.44 and 17,887.38 is: 26,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.80 : 37,890.44 = 17,887.38 : x
  2. Step 2: Convert to fraction form
    25,280.80/37,890.44 = 17,887.38/x
  3. Step 3: Cross multiply
    25,280.80x = 37,890.44 × 17,887.38
  4. Step 4: Simplify right side
    25,280.80x = 677,760,698.65
  5. Step 5: Solve for x
    x = 677,760,698.65/25,280.80
  6. Step 6: Final answer
    x = 26,809.31

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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.