Home / 38,280.95-52,827.87-21,286.74

Finding the Fourth Proportional to 38,280.95, 52,827.87 and 21,286.74

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Solution

The fourth proportional to 38,280.95, 52,827.87 and 21,286.74 is: 29,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.95 : 52,827.87 = 21,286.74 : x
  2. Step 2: Convert to fraction form
    38,280.95/52,827.87 = 21,286.74/x
  3. Step 3: Cross multiply
    38,280.95x = 52,827.87 × 21,286.74
  4. Step 4: Simplify right side
    38,280.95x = 1,124,533,133.44
  5. Step 5: Solve for x
    x = 1,124,533,133.44/38,280.95
  6. Step 6: Final answer
    x = 29,375.79

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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.