Home / 25,921.10-38,679.42-23,128.58

Finding the Fourth Proportional to 25,921.10, 38,679.42 and 23,128.58

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Solution

The fourth proportional to 25,921.10, 38,679.42 and 23,128.58 is: 34,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.10 : 38,679.42 = 23,128.58 : x
  2. Step 2: Convert to fraction form
    25,921.10/38,679.42 = 23,128.58/x
  3. Step 3: Cross multiply
    25,921.10x = 38,679.42 × 23,128.58
  4. Step 4: Simplify right side
    25,921.10x = 894,600,059.82
  5. Step 5: Solve for x
    x = 894,600,059.82/25,921.10
  6. Step 6: Final answer
    x = 34,512.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.