Home / 28,626.06-42,965.52-20,629.14

Finding the Fourth Proportional to 28,626.06, 42,965.52 and 20,629.14

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Solution

The fourth proportional to 28,626.06, 42,965.52 and 20,629.14 is: 30,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.06 : 42,965.52 = 20,629.14 : x
  2. Step 2: Convert to fraction form
    28,626.06/42,965.52 = 20,629.14/x
  3. Step 3: Cross multiply
    28,626.06x = 42,965.52 × 20,629.14
  4. Step 4: Simplify right side
    28,626.06x = 886,341,727.25
  5. Step 5: Solve for x
    x = 886,341,727.25/28,626.06
  6. Step 6: Final answer
    x = 30,962.76

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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.