Home / 28,508.30-42,751.51-9,784.85

Finding the Fourth Proportional to 28,508.30, 42,751.51 and 9,784.85

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Solution

The fourth proportional to 28,508.30, 42,751.51 and 9,784.85 is: 14,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.30 : 42,751.51 = 9,784.85 : x
  2. Step 2: Convert to fraction form
    28,508.30/42,751.51 = 9,784.85/x
  3. Step 3: Cross multiply
    28,508.30x = 42,751.51 × 9,784.85
  4. Step 4: Simplify right side
    28,508.30x = 418,316,874.40
  5. Step 5: Solve for x
    x = 418,316,874.40/28,508.30
  6. Step 6: Final answer
    x = 14,673.51

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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.