Home / 28,874.34-43,304.00-12,225.81

Finding the Fourth Proportional to 28,874.34, 43,304.00 and 12,225.81

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Solution

The fourth proportional to 28,874.34, 43,304.00 and 12,225.81 is: 18,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.34 : 43,304.00 = 12,225.81 : x
  2. Step 2: Convert to fraction form
    28,874.34/43,304.00 = 12,225.81/x
  3. Step 3: Cross multiply
    28,874.34x = 43,304.00 × 12,225.81
  4. Step 4: Simplify right side
    28,874.34x = 529,426,415.11
  5. Step 5: Solve for x
    x = 529,426,415.11/28,874.34
  6. Step 6: Final answer
    x = 18,335.53

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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.