Home / 38,283.43-52,827.99-21,286.30

Finding the Fourth Proportional to 38,283.43, 52,827.99 and 21,286.30

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Solution

The fourth proportional to 38,283.43, 52,827.99 and 21,286.30 is: 29,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,283.43 : 52,827.99 = 21,286.30 : x
  2. Step 2: Convert to fraction form
    38,283.43/52,827.99 = 21,286.30/x
  3. Step 3: Cross multiply
    38,283.43x = 52,827.99 × 21,286.30
  4. Step 4: Simplify right side
    38,283.43x = 1,124,512,443.54
  5. Step 5: Solve for x
    x = 1,124,512,443.54/38,283.43
  6. Step 6: Final answer
    x = 29,373.35

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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.