Home / 28,631.78-42,944.93-17,532.75

Finding the Fourth Proportional to 28,631.78, 42,944.93 and 17,532.75

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Solution

The fourth proportional to 28,631.78, 42,944.93 and 17,532.75 is: 26,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.78 : 42,944.93 = 17,532.75 : x
  2. Step 2: Convert to fraction form
    28,631.78/42,944.93 = 17,532.75/x
  3. Step 3: Cross multiply
    28,631.78x = 42,944.93 × 17,532.75
  4. Step 4: Simplify right side
    28,631.78x = 752,942,959.21
  5. Step 5: Solve for x
    x = 752,942,959.21/28,631.78
  6. Step 6: Final answer
    x = 26,297.46

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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.