Home / 28,935.22-39,930.96-16,359.70

Finding the Fourth Proportional to 28,935.22, 39,930.96 and 16,359.70

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Solution

The fourth proportional to 28,935.22, 39,930.96 and 16,359.70 is: 22,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.22 : 39,930.96 = 16,359.70 : x
  2. Step 2: Convert to fraction form
    28,935.22/39,930.96 = 16,359.70/x
  3. Step 3: Cross multiply
    28,935.22x = 39,930.96 × 16,359.70
  4. Step 4: Simplify right side
    28,935.22x = 653,258,526.31
  5. Step 5: Solve for x
    x = 653,258,526.31/28,935.22
  6. Step 6: Final answer
    x = 22,576.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.