Home / 39,188.58-58,782.86-15,809.54

Finding the Fourth Proportional to 39,188.58, 58,782.86 and 15,809.54

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Solution

The fourth proportional to 39,188.58, 58,782.86 and 15,809.54 is: 23,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.58 : 58,782.86 = 15,809.54 : x
  2. Step 2: Convert to fraction form
    39,188.58/58,782.86 = 15,809.54/x
  3. Step 3: Cross multiply
    39,188.58x = 58,782.86 × 15,809.54
  4. Step 4: Simplify right side
    39,188.58x = 929,329,976.48
  5. Step 5: Solve for x
    x = 929,329,976.48/39,188.58
  6. Step 6: Final answer
    x = 23,714.31

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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.