Home / 28,910.86-43,369.76-10,187.02

Finding the Fourth Proportional to 28,910.86, 43,369.76 and 10,187.02

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Solution

The fourth proportional to 28,910.86, 43,369.76 and 10,187.02 is: 15,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.86 : 43,369.76 = 10,187.02 : x
  2. Step 2: Convert to fraction form
    28,910.86/43,369.76 = 10,187.02/x
  3. Step 3: Cross multiply
    28,910.86x = 43,369.76 × 10,187.02
  4. Step 4: Simplify right side
    28,910.86x = 441,808,612.52
  5. Step 5: Solve for x
    x = 441,808,612.52/28,910.86
  6. Step 6: Final answer
    x = 15,281.75

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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.