Home / 28,099.08-38,742.96-22,727.28

Finding the Fourth Proportional to 28,099.08, 38,742.96 and 22,727.28

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Solution

The fourth proportional to 28,099.08, 38,742.96 and 22,727.28 is: 31,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.08 : 38,742.96 = 22,727.28 : x
  2. Step 2: Convert to fraction form
    28,099.08/38,742.96 = 22,727.28/x
  3. Step 3: Cross multiply
    28,099.08x = 38,742.96 × 22,727.28
  4. Step 4: Simplify right side
    28,099.08x = 880,522,099.95
  5. Step 5: Solve for x
    x = 880,522,099.95/28,099.08
  6. Step 6: Final answer
    x = 31,336.33

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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.