Home / 28,864.86-43,298.97-8,089.98

Finding the Fourth Proportional to 28,864.86, 43,298.97 and 8,089.98

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Solution

The fourth proportional to 28,864.86, 43,298.97 and 8,089.98 is: 12,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.86 : 43,298.97 = 8,089.98 : x
  2. Step 2: Convert to fraction form
    28,864.86/43,298.97 = 8,089.98/x
  3. Step 3: Cross multiply
    28,864.86x = 43,298.97 × 8,089.98
  4. Step 4: Simplify right side
    28,864.86x = 350,287,801.32
  5. Step 5: Solve for x
    x = 350,287,801.32/28,864.86
  6. Step 6: Final answer
    x = 12,135.44

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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.