Home / 28,397.58-42,596.01-9,672.54

Finding the Fourth Proportional to 28,397.58, 42,596.01 and 9,672.54

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Solution

The fourth proportional to 28,397.58, 42,596.01 and 9,672.54 is: 14,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.58 : 42,596.01 = 9,672.54 : x
  2. Step 2: Convert to fraction form
    28,397.58/42,596.01 = 9,672.54/x
  3. Step 3: Cross multiply
    28,397.58x = 42,596.01 × 9,672.54
  4. Step 4: Simplify right side
    28,397.58x = 412,011,610.57
  5. Step 5: Solve for x
    x = 412,011,610.57/28,397.58
  6. Step 6: Final answer
    x = 14,508.69

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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.