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Finding the Fourth Proportional to 56,080.84, 84,106.86 and 16,628.98

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Solution

The fourth proportional to 56,080.84, 84,106.86 and 16,628.98 is: 24,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080.84 : 84,106.86 = 16,628.98 : x
  2. Step 2: Convert to fraction form
    56,080.84/84,106.86 = 16,628.98/x
  3. Step 3: Cross multiply
    56,080.84x = 84,106.86 × 16,628.98
  4. Step 4: Simplify right side
    56,080.84x = 1,398,611,292.80
  5. Step 5: Solve for x
    x = 1,398,611,292.80/56,080.84
  6. Step 6: Final answer
    x = 24,939.20

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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.