Home / 28,246.22-42,345.18-11,595.86

Finding the Fourth Proportional to 28,246.22, 42,345.18 and 11,595.86

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Solution

The fourth proportional to 28,246.22, 42,345.18 and 11,595.86 is: 17,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.22 : 42,345.18 = 11,595.86 : x
  2. Step 2: Convert to fraction form
    28,246.22/42,345.18 = 11,595.86/x
  3. Step 3: Cross multiply
    28,246.22x = 42,345.18 × 11,595.86
  4. Step 4: Simplify right side
    28,246.22x = 491,028,726.02
  5. Step 5: Solve for x
    x = 491,028,726.02/28,246.22
  6. Step 6: Final answer
    x = 17,383.87

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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.