Home / 25,999.24-38,976.90-10,427.80

Finding the Fourth Proportional to 25,999.24, 38,976.90 and 10,427.80

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Solution

The fourth proportional to 25,999.24, 38,976.90 and 10,427.80 is: 15,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.24 : 38,976.90 = 10,427.80 : x
  2. Step 2: Convert to fraction form
    25,999.24/38,976.90 = 10,427.80/x
  3. Step 3: Cross multiply
    25,999.24x = 38,976.90 × 10,427.80
  4. Step 4: Simplify right side
    25,999.24x = 406,443,317.82
  5. Step 5: Solve for x
    x = 406,443,317.82/25,999.24
  6. Step 6: Final answer
    x = 15,632.89

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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.