Home / 28,339.56-39,099.06-16,398.54

Finding the Fourth Proportional to 28,339.56, 39,099.06 and 16,398.54

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Solution

The fourth proportional to 28,339.56, 39,099.06 and 16,398.54 is: 22,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.56 : 39,099.06 = 16,398.54 : x
  2. Step 2: Convert to fraction form
    28,339.56/39,099.06 = 16,398.54/x
  3. Step 3: Cross multiply
    28,339.56x = 39,099.06 × 16,398.54
  4. Step 4: Simplify right side
    28,339.56x = 641,167,499.37
  5. Step 5: Solve for x
    x = 641,167,499.37/28,339.56
  6. Step 6: Final answer
    x = 22,624.47

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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.