Home / 28,943.30-43,416.98-12,301.44

Finding the Fourth Proportional to 28,943.30, 43,416.98 and 12,301.44

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Solution

The fourth proportional to 28,943.30, 43,416.98 and 12,301.44 is: 18,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.30 : 43,416.98 = 12,301.44 : x
  2. Step 2: Convert to fraction form
    28,943.30/43,416.98 = 12,301.44/x
  3. Step 3: Cross multiply
    28,943.30x = 43,416.98 × 12,301.44
  4. Step 4: Simplify right side
    28,943.30x = 534,091,374.45
  5. Step 5: Solve for x
    x = 534,091,374.45/28,943.30
  6. Step 6: Final answer
    x = 18,453.02

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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.