Home / 21,960.90-32,888.24-12,572.44

Finding the Fourth Proportional to 21,960.90, 32,888.24 and 12,572.44

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Solution

The fourth proportional to 21,960.90, 32,888.24 and 12,572.44 is: 18,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.90 : 32,888.24 = 12,572.44 : x
  2. Step 2: Convert to fraction form
    21,960.90/32,888.24 = 12,572.44/x
  3. Step 3: Cross multiply
    21,960.90x = 32,888.24 × 12,572.44
  4. Step 4: Simplify right side
    21,960.90x = 413,485,424.11
  5. Step 5: Solve for x
    x = 413,485,424.11/21,960.90
  6. Step 6: Final answer
    x = 18,828.26

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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.