Home / 23,182.40-31,933.36-21,481.36

Finding the Fourth Proportional to 23,182.40, 31,933.36 and 21,481.36

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Solution

The fourth proportional to 23,182.40, 31,933.36 and 21,481.36 is: 29,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.40 : 31,933.36 = 21,481.36 : x
  2. Step 2: Convert to fraction form
    23,182.40/31,933.36 = 21,481.36/x
  3. Step 3: Cross multiply
    23,182.40x = 31,933.36 × 21,481.36
  4. Step 4: Simplify right side
    23,182.40x = 685,972,002.17
  5. Step 5: Solve for x
    x = 685,972,002.17/23,182.40
  6. Step 6: Final answer
    x = 29,590.21

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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.