Home / 28,383.21-42,576.17-10,854.54

Finding the Fourth Proportional to 28,383.21, 42,576.17 and 10,854.54

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Solution

The fourth proportional to 28,383.21, 42,576.17 and 10,854.54 is: 16,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.21 : 42,576.17 = 10,854.54 : x
  2. Step 2: Convert to fraction form
    28,383.21/42,576.17 = 10,854.54/x
  3. Step 3: Cross multiply
    28,383.21x = 42,576.17 × 10,854.54
  4. Step 4: Simplify right side
    28,383.21x = 462,144,686.04
  5. Step 5: Solve for x
    x = 462,144,686.04/28,383.21
  6. Step 6: Final answer
    x = 16,282.33

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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.