Home / 21,695.72-32,551.68-8,557.25

Finding the Fourth Proportional to 21,695.72, 32,551.68 and 8,557.25

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Solution

The fourth proportional to 21,695.72, 32,551.68 and 8,557.25 is: 12,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.72 : 32,551.68 = 8,557.25 : x
  2. Step 2: Convert to fraction form
    21,695.72/32,551.68 = 8,557.25/x
  3. Step 3: Cross multiply
    21,695.72x = 32,551.68 × 8,557.25
  4. Step 4: Simplify right side
    21,695.72x = 278,552,863.68
  5. Step 5: Solve for x
    x = 278,552,863.68/21,695.72
  6. Step 6: Final answer
    x = 12,839.07

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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.