Home / 28,819.60-39,771.06-16,073.92

Finding the Fourth Proportional to 28,819.60, 39,771.06 and 16,073.92

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Solution

The fourth proportional to 28,819.60, 39,771.06 and 16,073.92 is: 22,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.60 : 39,771.06 = 16,073.92 : x
  2. Step 2: Convert to fraction form
    28,819.60/39,771.06 = 16,073.92/x
  3. Step 3: Cross multiply
    28,819.60x = 39,771.06 × 16,073.92
  4. Step 4: Simplify right side
    28,819.60x = 639,276,836.76
  5. Step 5: Solve for x
    x = 639,276,836.76/28,819.60
  6. Step 6: Final answer
    x = 22,182.02

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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.