Home / 25,218.31-37,827.46-7,687.98

Finding the Fourth Proportional to 25,218.31, 37,827.46 and 7,687.98

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Solution

The fourth proportional to 25,218.31, 37,827.46 and 7,687.98 is: 11,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.31 : 37,827.46 = 7,687.98 : x
  2. Step 2: Convert to fraction form
    25,218.31/37,827.46 = 7,687.98/x
  3. Step 3: Cross multiply
    25,218.31x = 37,827.46 × 7,687.98
  4. Step 4: Simplify right side
    25,218.31x = 290,816,907.39
  5. Step 5: Solve for x
    x = 290,816,907.39/25,218.31
  6. Step 6: Final answer
    x = 11,531.98

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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.