Home / 28,943.56-43,423.10-12,304.36

Finding the Fourth Proportional to 28,943.56, 43,423.10 and 12,304.36

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Solution

The fourth proportional to 28,943.56, 43,423.10 and 12,304.36 is: 18,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.56 : 43,423.10 = 12,304.36 : x
  2. Step 2: Convert to fraction form
    28,943.56/43,423.10 = 12,304.36/x
  3. Step 3: Cross multiply
    28,943.56x = 43,423.10 × 12,304.36
  4. Step 4: Simplify right side
    28,943.56x = 534,293,454.72
  5. Step 5: Solve for x
    x = 534,293,454.72/28,943.56
  6. Step 6: Final answer
    x = 18,459.84

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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.