Home / 28,344.24-42,515.28-7,567.56

Finding the Fourth Proportional to 28,344.24, 42,515.28 and 7,567.56

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Solution

The fourth proportional to 28,344.24, 42,515.28 and 7,567.56 is: 11,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.24 : 42,515.28 = 7,567.56 : x
  2. Step 2: Convert to fraction form
    28,344.24/42,515.28 = 7,567.56/x
  3. Step 3: Cross multiply
    28,344.24x = 42,515.28 × 7,567.56
  4. Step 4: Simplify right side
    28,344.24x = 321,736,932.32
  5. Step 5: Solve for x
    x = 321,736,932.32/28,344.24
  6. Step 6: Final answer
    x = 11,351.05

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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.