Home / 21,351.52-32,027.74-5,557.16

Finding the Fourth Proportional to 21,351.52, 32,027.74 and 5,557.16

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Solution

The fourth proportional to 21,351.52, 32,027.74 and 5,557.16 is: 8,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.52 : 32,027.74 = 5,557.16 : x
  2. Step 2: Convert to fraction form
    21,351.52/32,027.74 = 5,557.16/x
  3. Step 3: Cross multiply
    21,351.52x = 32,027.74 × 5,557.16
  4. Step 4: Simplify right side
    21,351.52x = 177,983,275.62
  5. Step 5: Solve for x
    x = 177,983,275.62/21,351.52
  6. Step 6: Final answer
    x = 8,335.86

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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.