Home / 28,204.92-42,307.74-10,670.04

Finding the Fourth Proportional to 28,204.92, 42,307.74 and 10,670.04

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Solution

The fourth proportional to 28,204.92, 42,307.74 and 10,670.04 is: 16,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.92 : 42,307.74 = 10,670.04 : x
  2. Step 2: Convert to fraction form
    28,204.92/42,307.74 = 10,670.04/x
  3. Step 3: Cross multiply
    28,204.92x = 42,307.74 × 10,670.04
  4. Step 4: Simplify right side
    28,204.92x = 451,425,278.11
  5. Step 5: Solve for x
    x = 451,425,278.11/28,204.92
  6. Step 6: Final answer
    x = 16,005.20

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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.