Home / 28,383.90-39,185.52-17,056.18

Finding the Fourth Proportional to 28,383.90, 39,185.52 and 17,056.18

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Solution

The fourth proportional to 28,383.90, 39,185.52 and 17,056.18 is: 23,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.90 : 39,185.52 = 17,056.18 : x
  2. Step 2: Convert to fraction form
    28,383.90/39,185.52 = 17,056.18/x
  3. Step 3: Cross multiply
    28,383.90x = 39,185.52 × 17,056.18
  4. Step 4: Simplify right side
    28,383.90x = 668,355,282.51
  5. Step 5: Solve for x
    x = 668,355,282.51/28,383.90
  6. Step 6: Final answer
    x = 23,546.99

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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.