Home / 20,444.79-30,628.08-17,134.22

Finding the Fourth Proportional to 20,444.79, 30,628.08 and 17,134.22

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Solution

The fourth proportional to 20,444.79, 30,628.08 and 17,134.22 is: 25,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.79 : 30,628.08 = 17,134.22 : x
  2. Step 2: Convert to fraction form
    20,444.79/30,628.08 = 17,134.22/x
  3. Step 3: Cross multiply
    20,444.79x = 30,628.08 × 17,134.22
  4. Step 4: Simplify right side
    20,444.79x = 524,788,107.76
  5. Step 5: Solve for x
    x = 524,788,107.76/20,444.79
  6. Step 6: Final answer
    x = 25,668.55

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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.