Home / 27,568.89-38,051.31-16,817.40

Finding the Fourth Proportional to 27,568.89, 38,051.31 and 16,817.40

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Solution

The fourth proportional to 27,568.89, 38,051.31 and 16,817.40 is: 23,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.89 : 38,051.31 = 16,817.40 : x
  2. Step 2: Convert to fraction form
    27,568.89/38,051.31 = 16,817.40/x
  3. Step 3: Cross multiply
    27,568.89x = 38,051.31 × 16,817.40
  4. Step 4: Simplify right side
    27,568.89x = 639,924,100.79
  5. Step 5: Solve for x
    x = 639,924,100.79/27,568.89
  6. Step 6: Final answer
    x = 23,211.82

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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.