Home / 38,279.64-52,824.26-21,283.86

Finding the Fourth Proportional to 38,279.64, 52,824.26 and 21,283.86

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Solution

The fourth proportional to 38,279.64, 52,824.26 and 21,283.86 is: 29,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.64 : 52,824.26 = 21,283.86 : x
  2. Step 2: Convert to fraction form
    38,279.64/52,824.26 = 21,283.86/x
  3. Step 3: Cross multiply
    38,279.64x = 52,824.26 × 21,283.86
  4. Step 4: Simplify right side
    38,279.64x = 1,124,304,154.44
  5. Step 5: Solve for x
    x = 1,124,304,154.44/38,279.64
  6. Step 6: Final answer
    x = 29,370.81

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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.