Home / 21,632.88-29,826.32-18,052.99

Finding the Fourth Proportional to 21,632.88, 29,826.32 and 18,052.99

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Solution

The fourth proportional to 21,632.88, 29,826.32 and 18,052.99 is: 24,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.88 : 29,826.32 = 18,052.99 : x
  2. Step 2: Convert to fraction form
    21,632.88/29,826.32 = 18,052.99/x
  3. Step 3: Cross multiply
    21,632.88x = 29,826.32 × 18,052.99
  4. Step 4: Simplify right side
    21,632.88x = 538,454,256.70
  5. Step 5: Solve for x
    x = 538,454,256.70/21,632.88
  6. Step 6: Final answer
    x = 24,890.55

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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.