Home / 21,776.18-32,581.65-12,896.26

Finding the Fourth Proportional to 21,776.18, 32,581.65 and 12,896.26

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Solution

The fourth proportional to 21,776.18, 32,581.65 and 12,896.26 is: 19,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776.18 : 32,581.65 = 12,896.26 : x
  2. Step 2: Convert to fraction form
    21,776.18/32,581.65 = 12,896.26/x
  3. Step 3: Cross multiply
    21,776.18x = 32,581.65 × 12,896.26
  4. Step 4: Simplify right side
    21,776.18x = 420,181,396.54
  5. Step 5: Solve for x
    x = 420,181,396.54/21,776.18
  6. Step 6: Final answer
    x = 19,295.46

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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.