Home / 26,580.54-39,876.53-13,260.70

Finding the Fourth Proportional to 26,580.54, 39,876.53 and 13,260.70

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Solution

The fourth proportional to 26,580.54, 39,876.53 and 13,260.70 is: 19,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.54 : 39,876.53 = 13,260.70 : x
  2. Step 2: Convert to fraction form
    26,580.54/39,876.53 = 13,260.70/x
  3. Step 3: Cross multiply
    26,580.54x = 39,876.53 × 13,260.70
  4. Step 4: Simplify right side
    26,580.54x = 528,790,701.37
  5. Step 5: Solve for x
    x = 528,790,701.37/26,580.54
  6. Step 6: Final answer
    x = 19,893.90

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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.