Home / 28,195.14-42,292.77-11,335.92

Finding the Fourth Proportional to 28,195.14, 42,292.77 and 11,335.92

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Solution

The fourth proportional to 28,195.14, 42,292.77 and 11,335.92 is: 17,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.14 : 42,292.77 = 11,335.92 : x
  2. Step 2: Convert to fraction form
    28,195.14/42,292.77 = 11,335.92/x
  3. Step 3: Cross multiply
    28,195.14x = 42,292.77 × 11,335.92
  4. Step 4: Simplify right side
    28,195.14x = 479,427,457.30
  5. Step 5: Solve for x
    x = 479,427,457.30/28,195.14
  6. Step 6: Final answer
    x = 17,003.90

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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.