Home / 28,563.36-42,839.28-11,035.68

Finding the Fourth Proportional to 28,563.36, 42,839.28 and 11,035.68

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Solution

The fourth proportional to 28,563.36, 42,839.28 and 11,035.68 is: 16,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.36 : 42,839.28 = 11,035.68 : x
  2. Step 2: Convert to fraction form
    28,563.36/42,839.28 = 11,035.68/x
  3. Step 3: Cross multiply
    28,563.36x = 42,839.28 × 11,035.68
  4. Step 4: Simplify right side
    28,563.36x = 472,760,585.51
  5. Step 5: Solve for x
    x = 472,760,585.51/28,563.36
  6. Step 6: Final answer
    x = 16,551.29

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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.