Home / 21,264.11-31,875.47-10,167.92

Finding the Fourth Proportional to 21,264.11, 31,875.47 and 10,167.92

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Solution

The fourth proportional to 21,264.11, 31,875.47 and 10,167.92 is: 15,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.11 : 31,875.47 = 10,167.92 : x
  2. Step 2: Convert to fraction form
    21,264.11/31,875.47 = 10,167.92/x
  3. Step 3: Cross multiply
    21,264.11x = 31,875.47 × 10,167.92
  4. Step 4: Simplify right side
    21,264.11x = 324,107,228.92
  5. Step 5: Solve for x
    x = 324,107,228.92/21,264.11
  6. Step 6: Final answer
    x = 15,241.98

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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.