Home / 28,395.05-39,185.22-17,064.71

Finding the Fourth Proportional to 28,395.05, 39,185.22 and 17,064.71

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Solution

The fourth proportional to 28,395.05, 39,185.22 and 17,064.71 is: 23,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.05 : 39,185.22 = 17,064.71 : x
  2. Step 2: Convert to fraction form
    28,395.05/39,185.22 = 17,064.71/x
  3. Step 3: Cross multiply
    28,395.05x = 39,185.22 × 17,064.71
  4. Step 4: Simplify right side
    28,395.05x = 668,684,555.03
  5. Step 5: Solve for x
    x = 668,684,555.03/28,395.05
  6. Step 6: Final answer
    x = 23,549.34

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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.