Home / 21,371.09-32,045.27-10,695.78

Finding the Fourth Proportional to 21,371.09, 32,045.27 and 10,695.78

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Solution

The fourth proportional to 21,371.09, 32,045.27 and 10,695.78 is: 16,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.09 : 32,045.27 = 10,695.78 : x
  2. Step 2: Convert to fraction form
    21,371.09/32,045.27 = 10,695.78/x
  3. Step 3: Cross multiply
    21,371.09x = 32,045.27 × 10,695.78
  4. Step 4: Simplify right side
    21,371.09x = 342,749,104.48
  5. Step 5: Solve for x
    x = 342,749,104.48/21,371.09
  6. Step 6: Final answer
    x = 16,037.98

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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.