Home / 21,435.68-32,299.58-17,625.44

Finding the Fourth Proportional to 21,435.68, 32,299.58 and 17,625.44

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Solution

The fourth proportional to 21,435.68, 32,299.58 and 17,625.44 is: 26,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.68 : 32,299.58 = 17,625.44 : x
  2. Step 2: Convert to fraction form
    21,435.68/32,299.58 = 17,625.44/x
  3. Step 3: Cross multiply
    21,435.68x = 32,299.58 × 17,625.44
  4. Step 4: Simplify right side
    21,435.68x = 569,294,309.32
  5. Step 5: Solve for x
    x = 569,294,309.32/21,435.68
  6. Step 6: Final answer
    x = 26,558.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.