Home / 20,274.37-30,328.93-17,134.81

Finding the Fourth Proportional to 20,274.37, 30,328.93 and 17,134.81

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Solution

The fourth proportional to 20,274.37, 30,328.93 and 17,134.81 is: 25,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.37 : 30,328.93 = 17,134.81 : x
  2. Step 2: Convert to fraction form
    20,274.37/30,328.93 = 17,134.81/x
  3. Step 3: Cross multiply
    20,274.37x = 30,328.93 × 17,134.81
  4. Step 4: Simplify right side
    20,274.37x = 519,680,398.65
  5. Step 5: Solve for x
    x = 519,680,398.65/20,274.37
  6. Step 6: Final answer
    x = 25,632.39

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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.