Home / 25,986.14-38,962.87-10,985.48

Finding the Fourth Proportional to 25,986.14, 38,962.87 and 10,985.48

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Solution

The fourth proportional to 25,986.14, 38,962.87 and 10,985.48 is: 16,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.14 : 38,962.87 = 10,985.48 : x
  2. Step 2: Convert to fraction form
    25,986.14/38,962.87 = 10,985.48/x
  3. Step 3: Cross multiply
    25,986.14x = 38,962.87 × 10,985.48
  4. Step 4: Simplify right side
    25,986.14x = 428,025,829.13
  5. Step 5: Solve for x
    x = 428,025,829.13/25,986.14
  6. Step 6: Final answer
    x = 16,471.31

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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.