Home / 26,382.36-39,588.12-15,855.60

Finding the Fourth Proportional to 26,382.36, 39,588.12 and 15,855.60

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Solution

The fourth proportional to 26,382.36, 39,588.12 and 15,855.60 is: 23,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.36 : 39,588.12 = 15,855.60 : x
  2. Step 2: Convert to fraction form
    26,382.36/39,588.12 = 15,855.60/x
  3. Step 3: Cross multiply
    26,382.36x = 39,588.12 × 15,855.60
  4. Step 4: Simplify right side
    26,382.36x = 627,693,395.47
  5. Step 5: Solve for x
    x = 627,693,395.47/26,382.36
  6. Step 6: Final answer
    x = 23,792.16

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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.