Home / 28,355.13-42,535.06-8,633.86

Finding the Fourth Proportional to 28,355.13, 42,535.06 and 8,633.86

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Solution

The fourth proportional to 28,355.13, 42,535.06 and 8,633.86 is: 12,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.13 : 42,535.06 = 8,633.86 : x
  2. Step 2: Convert to fraction form
    28,355.13/42,535.06 = 8,633.86/x
  3. Step 3: Cross multiply
    28,355.13x = 42,535.06 × 8,633.86
  4. Step 4: Simplify right side
    28,355.13x = 367,241,625.21
  5. Step 5: Solve for x
    x = 367,241,625.21/28,355.13
  6. Step 6: Final answer
    x = 12,951.51

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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.