Home / 20,668.59-30,950.28-13,627.26

Finding the Fourth Proportional to 20,668.59, 30,950.28 and 13,627.26

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Solution

The fourth proportional to 20,668.59, 30,950.28 and 13,627.26 is: 20,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,668.59 : 30,950.28 = 13,627.26 : x
  2. Step 2: Convert to fraction form
    20,668.59/30,950.28 = 13,627.26/x
  3. Step 3: Cross multiply
    20,668.59x = 30,950.28 × 13,627.26
  4. Step 4: Simplify right side
    20,668.59x = 421,767,512.63
  5. Step 5: Solve for x
    x = 421,767,512.63/20,668.59
  6. Step 6: Final answer
    x = 20,406.21

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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.