Home / 21,924.06-32,887.20-10,689.72

Finding the Fourth Proportional to 21,924.06, 32,887.20 and 10,689.72

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Solution

The fourth proportional to 21,924.06, 32,887.20 and 10,689.72 is: 16,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.06 : 32,887.20 = 10,689.72 : x
  2. Step 2: Convert to fraction form
    21,924.06/32,887.20 = 10,689.72/x
  3. Step 3: Cross multiply
    21,924.06x = 32,887.20 × 10,689.72
  4. Step 4: Simplify right side
    21,924.06x = 351,554,959.58
  5. Step 5: Solve for x
    x = 351,554,959.58/21,924.06
  6. Step 6: Final answer
    x = 16,035.12

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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.