Home / 29,555.40-40,786.30-16,126.61

Finding the Fourth Proportional to 29,555.40, 40,786.30 and 16,126.61

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Solution

The fourth proportional to 29,555.40, 40,786.30 and 16,126.61 is: 22,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.40 : 40,786.30 = 16,126.61 : x
  2. Step 2: Convert to fraction form
    29,555.40/40,786.30 = 16,126.61/x
  3. Step 3: Cross multiply
    29,555.40x = 40,786.30 × 16,126.61
  4. Step 4: Simplify right side
    29,555.40x = 657,744,672.81
  5. Step 5: Solve for x
    x = 657,744,672.81/29,555.40
  6. Step 6: Final answer
    x = 22,254.64

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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.