Home / 17,389.10-26,047.20-15,542.30

Finding the Fourth Proportional to 17,389.10, 26,047.20 and 15,542.30

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Solution

The fourth proportional to 17,389.10, 26,047.20 and 15,542.30 is: 23,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.10 : 26,047.20 = 15,542.30 : x
  2. Step 2: Convert to fraction form
    17,389.10/26,047.20 = 15,542.30/x
  3. Step 3: Cross multiply
    17,389.10x = 26,047.20 × 15,542.30
  4. Step 4: Simplify right side
    17,389.10x = 404,833,396.56
  5. Step 5: Solve for x
    x = 404,833,396.56/17,389.10
  6. Step 6: Final answer
    x = 23,280.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.