Home / 28,966.24-39,993.78-22,599.70

Finding the Fourth Proportional to 28,966.24, 39,993.78 and 22,599.70

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Solution

The fourth proportional to 28,966.24, 39,993.78 and 22,599.70 is: 31,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.24 : 39,993.78 = 22,599.70 : x
  2. Step 2: Convert to fraction form
    28,966.24/39,993.78 = 22,599.70/x
  3. Step 3: Cross multiply
    28,966.24x = 39,993.78 × 22,599.70
  4. Step 4: Simplify right side
    28,966.24x = 903,847,429.87
  5. Step 5: Solve for x
    x = 903,847,429.87/28,966.24
  6. Step 6: Final answer
    x = 31,203.48

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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.