Home / 28,913.70-43,370.55-16,472.10

Finding the Fourth Proportional to 28,913.70, 43,370.55 and 16,472.10

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Solution

The fourth proportional to 28,913.70, 43,370.55 and 16,472.10 is: 24,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.70 : 43,370.55 = 16,472.10 : x
  2. Step 2: Convert to fraction form
    28,913.70/43,370.55 = 16,472.10/x
  3. Step 3: Cross multiply
    28,913.70x = 43,370.55 × 16,472.10
  4. Step 4: Simplify right side
    28,913.70x = 714,404,036.66
  5. Step 5: Solve for x
    x = 714,404,036.66/28,913.70
  6. Step 6: Final answer
    x = 24,708.15

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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.