Home / 21,504.06-32,255.78-10,411.72

Finding the Fourth Proportional to 21,504.06, 32,255.78 and 10,411.72

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Solution

The fourth proportional to 21,504.06, 32,255.78 and 10,411.72 is: 15,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.06 : 32,255.78 = 10,411.72 : x
  2. Step 2: Convert to fraction form
    21,504.06/32,255.78 = 10,411.72/x
  3. Step 3: Cross multiply
    21,504.06x = 32,255.78 × 10,411.72
  4. Step 4: Simplify right side
    21,504.06x = 335,838,149.74
  5. Step 5: Solve for x
    x = 335,838,149.74/21,504.06
  6. Step 6: Final answer
    x = 15,617.43

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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.