Home / 84,528.80-126,772.64-28,354.34

Finding the Fourth Proportional to 84,528.80, 126,772.64 and 28,354.34

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Solution

The fourth proportional to 84,528.80, 126,772.64 and 28,354.34 is: 42,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,528.80 : 126,772.64 = 28,354.34 : x
  2. Step 2: Convert to fraction form
    84,528.80/126,772.64 = 28,354.34/x
  3. Step 3: Cross multiply
    84,528.80x = 126,772.64 × 28,354.34
  4. Step 4: Simplify right side
    84,528.80x = 3,594,554,799.97
  5. Step 5: Solve for x
    x = 3,594,554,799.97/84,528.80
  6. Step 6: Final answer
    x = 42,524.61

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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.