Home / 31,828.89-47,744.28-15,190.68

Finding the Fourth Proportional to 31,828.89, 47,744.28 and 15,190.68

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Solution

The fourth proportional to 31,828.89, 47,744.28 and 15,190.68 is: 22,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.89 : 47,744.28 = 15,190.68 : x
  2. Step 2: Convert to fraction form
    31,828.89/47,744.28 = 15,190.68/x
  3. Step 3: Cross multiply
    31,828.89x = 47,744.28 × 15,190.68
  4. Step 4: Simplify right side
    31,828.89x = 725,268,079.31
  5. Step 5: Solve for x
    x = 725,268,079.31/31,828.89
  6. Step 6: Final answer
    x = 22,786.47

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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.