Home / 21,626.73-32,225.13-19,268.64

Finding the Fourth Proportional to 21,626.73, 32,225.13 and 19,268.64

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Solution

The fourth proportional to 21,626.73, 32,225.13 and 19,268.64 is: 28,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.73 : 32,225.13 = 19,268.64 : x
  2. Step 2: Convert to fraction form
    21,626.73/32,225.13 = 19,268.64/x
  3. Step 3: Cross multiply
    21,626.73x = 32,225.13 × 19,268.64
  4. Step 4: Simplify right side
    21,626.73x = 620,934,428.92
  5. Step 5: Solve for x
    x = 620,934,428.92/21,626.73
  6. Step 6: Final answer
    x = 28,711.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.