Home / 28,389.89-39,193.76-17,062.14

Finding the Fourth Proportional to 28,389.89, 39,193.76 and 17,062.14

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Solution

The fourth proportional to 28,389.89, 39,193.76 and 17,062.14 is: 23,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.89 : 39,193.76 = 17,062.14 : x
  2. Step 2: Convert to fraction form
    28,389.89/39,193.76 = 17,062.14/x
  3. Step 3: Cross multiply
    28,389.89x = 39,193.76 × 17,062.14
  4. Step 4: Simplify right side
    28,389.89x = 668,729,609.88
  5. Step 5: Solve for x
    x = 668,729,609.88/28,389.89
  6. Step 6: Final answer
    x = 23,555.20

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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.