Home / 28,998.10-43,541.70-15,876.10

Finding the Fourth Proportional to 28,998.10, 43,541.70 and 15,876.10

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Solution

The fourth proportional to 28,998.10, 43,541.70 and 15,876.10 is: 23,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.10 : 43,541.70 = 15,876.10 : x
  2. Step 2: Convert to fraction form
    28,998.10/43,541.70 = 15,876.10/x
  3. Step 3: Cross multiply
    28,998.10x = 43,541.70 × 15,876.10
  4. Step 4: Simplify right side
    28,998.10x = 691,272,383.37
  5. Step 5: Solve for x
    x = 691,272,383.37/28,998.10
  6. Step 6: Final answer
    x = 23,838.54

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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.