Home / 21,925.57-32,896.64-13,166.59

Finding the Fourth Proportional to 21,925.57, 32,896.64 and 13,166.59

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Solution

The fourth proportional to 21,925.57, 32,896.64 and 13,166.59 is: 19,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.57 : 32,896.64 = 13,166.59 : x
  2. Step 2: Convert to fraction form
    21,925.57/32,896.64 = 13,166.59/x
  3. Step 3: Cross multiply
    21,925.57x = 32,896.64 × 13,166.59
  4. Step 4: Simplify right side
    21,925.57x = 433,136,571.26
  5. Step 5: Solve for x
    x = 433,136,571.26/21,925.57
  6. Step 6: Final answer
    x = 19,754.86

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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.