Home / 28,408.46-39,201.36-16,472.58

Finding the Fourth Proportional to 28,408.46, 39,201.36 and 16,472.58

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Solution

The fourth proportional to 28,408.46, 39,201.36 and 16,472.58 is: 22,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.46 : 39,201.36 = 16,472.58 : x
  2. Step 2: Convert to fraction form
    28,408.46/39,201.36 = 16,472.58/x
  3. Step 3: Cross multiply
    28,408.46x = 39,201.36 × 16,472.58
  4. Step 4: Simplify right side
    28,408.46x = 645,747,538.71
  5. Step 5: Solve for x
    x = 645,747,538.71/28,408.46
  6. Step 6: Final answer
    x = 22,730.82

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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.