Home / 26,028.12-38,951.40-21,293.40

Finding the Fourth Proportional to 26,028.12, 38,951.40 and 21,293.40

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Solution

The fourth proportional to 26,028.12, 38,951.40 and 21,293.40 is: 31,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.12 : 38,951.40 = 21,293.40 : x
  2. Step 2: Convert to fraction form
    26,028.12/38,951.40 = 21,293.40/x
  3. Step 3: Cross multiply
    26,028.12x = 38,951.40 × 21,293.40
  4. Step 4: Simplify right side
    26,028.12x = 829,407,740.76
  5. Step 5: Solve for x
    x = 829,407,740.76/26,028.12
  6. Step 6: Final answer
    x = 31,865.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.