Home / 20,626.04-28,449.23-18,930.02

Finding the Fourth Proportional to 20,626.04, 28,449.23 and 18,930.02

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Solution

The fourth proportional to 20,626.04, 28,449.23 and 18,930.02 is: 26,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.04 : 28,449.23 = 18,930.02 : x
  2. Step 2: Convert to fraction form
    20,626.04/28,449.23 = 18,930.02/x
  3. Step 3: Cross multiply
    20,626.04x = 28,449.23 × 18,930.02
  4. Step 4: Simplify right side
    20,626.04x = 538,544,255.99
  5. Step 5: Solve for x
    x = 538,544,255.99/20,626.04
  6. Step 6: Final answer
    x = 26,109.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.