Home / 21,632.75-29,826.15-18,052.87

Finding the Fourth Proportional to 21,632.75, 29,826.15 and 18,052.87

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Solution

The fourth proportional to 21,632.75, 29,826.15 and 18,052.87 is: 24,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.75 : 29,826.15 = 18,052.87 : x
  2. Step 2: Convert to fraction form
    21,632.75/29,826.15 = 18,052.87/x
  3. Step 3: Cross multiply
    21,632.75x = 29,826.15 × 18,052.87
  4. Step 4: Simplify right side
    21,632.75x = 538,447,459.42
  5. Step 5: Solve for x
    x = 538,447,459.42/21,632.75
  6. Step 6: Final answer
    x = 24,890.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.