Home / 15,940.20-23,944.86-15,357

Finding the Fourth Proportional to 15,940.20, 23,944.86 and 15,357

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Solution

The fourth proportional to 15,940.20, 23,944.86 and 15,357 is: 23,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.20 : 23,944.86 = 15,357 : x
  2. Step 2: Convert to fraction form
    15,940.20/23,944.86 = 15,357/x
  3. Step 3: Cross multiply
    15,940.20x = 23,944.86 × 15,357
  4. Step 4: Simplify right side
    15,940.20x = 367,721,215.02
  5. Step 5: Solve for x
    x = 367,721,215.02/15,940.20
  6. Step 6: Final answer
    x = 23,068.80

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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.