Home / 84,023.96-126,045.69-27,869

Finding the Fourth Proportional to 84,023.96, 126,045.69 and 27,869

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Solution

The fourth proportional to 84,023.96, 126,045.69 and 27,869 is: 41,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.96 : 126,045.69 = 27,869 : x
  2. Step 2: Convert to fraction form
    84,023.96/126,045.69 = 27,869/x
  3. Step 3: Cross multiply
    84,023.96x = 126,045.69 × 27,869
  4. Step 4: Simplify right side
    84,023.96x = 3,512,767,334.61
  5. Step 5: Solve for x
    x = 3,512,767,334.61/84,023.96
  6. Step 6: Final answer
    x = 41,806.73

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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.