Home / 23,054.48-31,816.20-12,982.93

Finding the Fourth Proportional to 23,054.48, 31,816.20 and 12,982.93

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Solution

The fourth proportional to 23,054.48, 31,816.20 and 12,982.93 is: 17,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,054.48 : 31,816.20 = 12,982.93 : x
  2. Step 2: Convert to fraction form
    23,054.48/31,816.20 = 12,982.93/x
  3. Step 3: Cross multiply
    23,054.48x = 31,816.20 × 12,982.93
  4. Step 4: Simplify right side
    23,054.48x = 413,067,497.47
  5. Step 5: Solve for x
    x = 413,067,497.47/23,054.48
  6. Step 6: Final answer
    x = 17,917.02

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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.