Home / 21,557.79-32,340.33-11,032.38

Finding the Fourth Proportional to 21,557.79, 32,340.33 and 11,032.38

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Solution

The fourth proportional to 21,557.79, 32,340.33 and 11,032.38 is: 16,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.79 : 32,340.33 = 11,032.38 : x
  2. Step 2: Convert to fraction form
    21,557.79/32,340.33 = 11,032.38/x
  3. Step 3: Cross multiply
    21,557.79x = 32,340.33 × 11,032.38
  4. Step 4: Simplify right side
    21,557.79x = 356,790,809.89
  5. Step 5: Solve for x
    x = 356,790,809.89/21,557.79
  6. Step 6: Final answer
    x = 16,550.44

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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.