Home / 17,921.68-26,878.18-6,827.92

Finding the Fourth Proportional to 17,921.68, 26,878.18 and 6,827.92

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Solution

The fourth proportional to 17,921.68, 26,878.18 and 6,827.92 is: 10,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.68 : 26,878.18 = 6,827.92 : x
  2. Step 2: Convert to fraction form
    17,921.68/26,878.18 = 6,827.92/x
  3. Step 3: Cross multiply
    17,921.68x = 26,878.18 × 6,827.92
  4. Step 4: Simplify right side
    17,921.68x = 183,522,062.79
  5. Step 5: Solve for x
    x = 183,522,062.79/17,921.68
  6. Step 6: Final answer
    x = 10,240.23

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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.