Home / 23,205.27-31,941.99-20,215.92

Finding the Fourth Proportional to 23,205.27, 31,941.99 and 20,215.92

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Solution

The fourth proportional to 23,205.27, 31,941.99 and 20,215.92 is: 27,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,205.27 : 31,941.99 = 20,215.92 : x
  2. Step 2: Convert to fraction form
    23,205.27/31,941.99 = 20,215.92/x
  3. Step 3: Cross multiply
    23,205.27x = 31,941.99 × 20,215.92
  4. Step 4: Simplify right side
    23,205.27x = 645,736,714.48
  5. Step 5: Solve for x
    x = 645,736,714.48/23,205.27
  6. Step 6: Final answer
    x = 27,827.16

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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.