Home / 20,464.56-30,516.08-17,975.92

Finding the Fourth Proportional to 20,464.56, 30,516.08 and 17,975.92

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Solution

The fourth proportional to 20,464.56, 30,516.08 and 17,975.92 is: 26,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.56 : 30,516.08 = 17,975.92 : x
  2. Step 2: Convert to fraction form
    20,464.56/30,516.08 = 17,975.92/x
  3. Step 3: Cross multiply
    20,464.56x = 30,516.08 × 17,975.92
  4. Step 4: Simplify right side
    20,464.56x = 548,554,612.79
  5. Step 5: Solve for x
    x = 548,554,612.79/20,464.56
  6. Step 6: Final answer
    x = 26,805.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.