Home / 21,593.92-32,317.73-13,279.20

Finding the Fourth Proportional to 21,593.92, 32,317.73 and 13,279.20

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Solution

The fourth proportional to 21,593.92, 32,317.73 and 13,279.20 is: 19,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.92 : 32,317.73 = 13,279.20 : x
  2. Step 2: Convert to fraction form
    21,593.92/32,317.73 = 13,279.20/x
  3. Step 3: Cross multiply
    21,593.92x = 32,317.73 × 13,279.20
  4. Step 4: Simplify right side
    21,593.92x = 429,153,533.82
  5. Step 5: Solve for x
    x = 429,153,533.82/21,593.92
  6. Step 6: Final answer
    x = 19,873.81

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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.