Home / 28,920.96-43,343.52-16,446.72

Finding the Fourth Proportional to 28,920.96, 43,343.52 and 16,446.72

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Solution

The fourth proportional to 28,920.96, 43,343.52 and 16,446.72 is: 24,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920.96 : 43,343.52 = 16,446.72 : x
  2. Step 2: Convert to fraction form
    28,920.96/43,343.52 = 16,446.72/x
  3. Step 3: Cross multiply
    28,920.96x = 43,343.52 × 16,446.72
  4. Step 4: Simplify right side
    28,920.96x = 712,858,737.25
  5. Step 5: Solve for x
    x = 712,858,737.25/28,920.96
  6. Step 6: Final answer
    x = 24,648.52

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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.