Home / 28,657.22-39,546.19-17,178.62

Finding the Fourth Proportional to 28,657.22, 39,546.19 and 17,178.62

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Solution

The fourth proportional to 28,657.22, 39,546.19 and 17,178.62 is: 23,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.22 : 39,546.19 = 17,178.62 : x
  2. Step 2: Convert to fraction form
    28,657.22/39,546.19 = 17,178.62/x
  3. Step 3: Cross multiply
    28,657.22x = 39,546.19 × 17,178.62
  4. Step 4: Simplify right side
    28,657.22x = 679,348,888.56
  5. Step 5: Solve for x
    x = 679,348,888.56/28,657.22
  6. Step 6: Final answer
    x = 23,706.03

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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.