Home / 20,263.10-30,294.74-17,177.54

Finding the Fourth Proportional to 20,263.10, 30,294.74 and 17,177.54

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Solution

The fourth proportional to 20,263.10, 30,294.74 and 17,177.54 is: 25,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.10 : 30,294.74 = 17,177.54 : x
  2. Step 2: Convert to fraction form
    20,263.10/30,294.74 = 17,177.54/x
  3. Step 3: Cross multiply
    20,263.10x = 30,294.74 × 17,177.54
  4. Step 4: Simplify right side
    20,263.10x = 520,389,108.14
  5. Step 5: Solve for x
    x = 520,389,108.14/20,263.10
  6. Step 6: Final answer
    x = 25,681.61

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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.