Home / 28,533.76-39,375.84-15,959.68

Finding the Fourth Proportional to 28,533.76, 39,375.84 and 15,959.68

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Solution

The fourth proportional to 28,533.76, 39,375.84 and 15,959.68 is: 22,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.76 : 39,375.84 = 15,959.68 : x
  2. Step 2: Convert to fraction form
    28,533.76/39,375.84 = 15,959.68/x
  3. Step 3: Cross multiply
    28,533.76x = 39,375.84 × 15,959.68
  4. Step 4: Simplify right side
    28,533.76x = 628,425,806.13
  5. Step 5: Solve for x
    x = 628,425,806.13/28,533.76
  6. Step 6: Final answer
    x = 22,023.94

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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.