Home / 28,746.10-43,061.55-16,419.70

Finding the Fourth Proportional to 28,746.10, 43,061.55 and 16,419.70

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Solution

The fourth proportional to 28,746.10, 43,061.55 and 16,419.70 is: 24,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.10 : 43,061.55 = 16,419.70 : x
  2. Step 2: Convert to fraction form
    28,746.10/43,061.55 = 16,419.70/x
  3. Step 3: Cross multiply
    28,746.10x = 43,061.55 × 16,419.70
  4. Step 4: Simplify right side
    28,746.10x = 707,057,732.54
  5. Step 5: Solve for x
    x = 707,057,732.54/28,746.10
  6. Step 6: Final answer
    x = 24,596.65

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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.