Home / 28,607.18-42,884.64-11,063.79

Finding the Fourth Proportional to 28,607.18, 42,884.64 and 11,063.79

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Solution

The fourth proportional to 28,607.18, 42,884.64 and 11,063.79 is: 16,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.18 : 42,884.64 = 11,063.79 : x
  2. Step 2: Convert to fraction form
    28,607.18/42,884.64 = 11,063.79/x
  3. Step 3: Cross multiply
    28,607.18x = 42,884.64 × 11,063.79
  4. Step 4: Simplify right side
    28,607.18x = 474,466,651.19
  5. Step 5: Solve for x
    x = 474,466,651.19/28,607.18
  6. Step 6: Final answer
    x = 16,585.58

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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.