Home / 28,750.76-43,091.58-15,602.60

Finding the Fourth Proportional to 28,750.76, 43,091.58 and 15,602.60

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Solution

The fourth proportional to 28,750.76, 43,091.58 and 15,602.60 is: 23,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.76 : 43,091.58 = 15,602.60 : x
  2. Step 2: Convert to fraction form
    28,750.76/43,091.58 = 15,602.60/x
  3. Step 3: Cross multiply
    28,750.76x = 43,091.58 × 15,602.60
  4. Step 4: Simplify right side
    28,750.76x = 672,340,686.11
  5. Step 5: Solve for x
    x = 672,340,686.11/28,750.76
  6. Step 6: Final answer
    x = 23,385.14

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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.