Home / 29,871.64-41,221.29-16,440.28

Finding the Fourth Proportional to 29,871.64, 41,221.29 and 16,440.28

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Solution

The fourth proportional to 29,871.64, 41,221.29 and 16,440.28 is: 22,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.64 : 41,221.29 = 16,440.28 : x
  2. Step 2: Convert to fraction form
    29,871.64/41,221.29 = 16,440.28/x
  3. Step 3: Cross multiply
    29,871.64x = 41,221.29 × 16,440.28
  4. Step 4: Simplify right side
    29,871.64x = 677,689,549.56
  5. Step 5: Solve for x
    x = 677,689,549.56/29,871.64
  6. Step 6: Final answer
    x = 22,686.72

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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.