Home / 21,604.32-32,523.19-19,431.84

Finding the Fourth Proportional to 21,604.32, 32,523.19 and 19,431.84

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Solution

The fourth proportional to 21,604.32, 32,523.19 and 19,431.84 is: 29,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.32 : 32,523.19 = 19,431.84 : x
  2. Step 2: Convert to fraction form
    21,604.32/32,523.19 = 19,431.84/x
  3. Step 3: Cross multiply
    21,604.32x = 32,523.19 × 19,431.84
  4. Step 4: Simplify right side
    21,604.32x = 631,985,424.11
  5. Step 5: Solve for x
    x = 631,985,424.11/21,604.32
  6. Step 6: Final answer
    x = 29,252.73

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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.