Home / 22,739.48-31,395.96-14,245.12

Finding the Fourth Proportional to 22,739.48, 31,395.96 and 14,245.12

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Solution

The fourth proportional to 22,739.48, 31,395.96 and 14,245.12 is: 19,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.48 : 31,395.96 = 14,245.12 : x
  2. Step 2: Convert to fraction form
    22,739.48/31,395.96 = 14,245.12/x
  3. Step 3: Cross multiply
    22,739.48x = 31,395.96 × 14,245.12
  4. Step 4: Simplify right side
    22,739.48x = 447,239,217.72
  5. Step 5: Solve for x
    x = 447,239,217.72/22,739.48
  6. Step 6: Final answer
    x = 19,667.96

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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.