Home / 25,432.96-35,092.09-15,359.44

Finding the Fourth Proportional to 25,432.96, 35,092.09 and 15,359.44

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Solution

The fourth proportional to 25,432.96, 35,092.09 and 15,359.44 is: 21,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.96 : 35,092.09 = 15,359.44 : x
  2. Step 2: Convert to fraction form
    25,432.96/35,092.09 = 15,359.44/x
  3. Step 3: Cross multiply
    25,432.96x = 35,092.09 × 15,359.44
  4. Step 4: Simplify right side
    25,432.96x = 538,994,850.83
  5. Step 5: Solve for x
    x = 538,994,850.83/25,432.96
  6. Step 6: Final answer
    x = 21,192.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.