Home / 38,280.93-52,827.83-21,286.72

Finding the Fourth Proportional to 38,280.93, 52,827.83 and 21,286.72

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Solution

The fourth proportional to 38,280.93, 52,827.83 and 21,286.72 is: 29,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.93 : 52,827.83 = 21,286.72 : x
  2. Step 2: Convert to fraction form
    38,280.93/52,827.83 = 21,286.72/x
  3. Step 3: Cross multiply
    38,280.93x = 52,827.83 × 21,286.72
  4. Step 4: Simplify right side
    38,280.93x = 1,124,531,225.42
  5. Step 5: Solve for x
    x = 1,124,531,225.42/38,280.93
  6. Step 6: Final answer
    x = 29,375.76

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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.