Home / 28,799.58-43,201.71-8,813.46

Finding the Fourth Proportional to 28,799.58, 43,201.71 and 8,813.46

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Solution

The fourth proportional to 28,799.58, 43,201.71 and 8,813.46 is: 13,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.58 : 43,201.71 = 8,813.46 : x
  2. Step 2: Convert to fraction form
    28,799.58/43,201.71 = 8,813.46/x
  3. Step 3: Cross multiply
    28,799.58x = 43,201.71 × 8,813.46
  4. Step 4: Simplify right side
    28,799.58x = 380,756,543.02
  5. Step 5: Solve for x
    x = 380,756,543.02/28,799.58
  6. Step 6: Final answer
    x = 13,220.91

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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.