Home / 21,876.36-32,819.75-7,085.27

Finding the Fourth Proportional to 21,876.36, 32,819.75 and 7,085.27

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Solution

The fourth proportional to 21,876.36, 32,819.75 and 7,085.27 is: 10,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.36 : 32,819.75 = 7,085.27 : x
  2. Step 2: Convert to fraction form
    21,876.36/32,819.75 = 7,085.27/x
  3. Step 3: Cross multiply
    21,876.36x = 32,819.75 × 7,085.27
  4. Step 4: Simplify right side
    21,876.36x = 232,536,590.56
  5. Step 5: Solve for x
    x = 232,536,590.56/21,876.36
  6. Step 6: Final answer
    x = 10,629.58

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1.5x scale

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.