Home / 21,932.16-32,903.10-10,239

Finding the Fourth Proportional to 21,932.16, 32,903.10 and 10,239

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Solution

The fourth proportional to 21,932.16, 32,903.10 and 10,239 is: 15,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.16 : 32,903.10 = 10,239 : x
  2. Step 2: Convert to fraction form
    21,932.16/32,903.10 = 10,239/x
  3. Step 3: Cross multiply
    21,932.16x = 32,903.10 × 10,239
  4. Step 4: Simplify right side
    21,932.16x = 336,894,840.90
  5. Step 5: Solve for x
    x = 336,894,840.90/21,932.16
  6. Step 6: Final answer
    x = 15,360.77

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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.