Home / 38,276.04-52,825.86-21,512.28

Finding the Fourth Proportional to 38,276.04, 52,825.86 and 21,512.28

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Solution

The fourth proportional to 38,276.04, 52,825.86 and 21,512.28 is: 29,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.04 : 52,825.86 = 21,512.28 : x
  2. Step 2: Convert to fraction form
    38,276.04/52,825.86 = 21,512.28/x
  3. Step 3: Cross multiply
    38,276.04x = 52,825.86 × 21,512.28
  4. Step 4: Simplify right side
    38,276.04x = 1,136,404,691.56
  5. Step 5: Solve for x
    x = 1,136,404,691.56/38,276.04
  6. Step 6: Final answer
    x = 29,689.71

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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.