Home / 28,035.32-38,689.98-16,099.16

Finding the Fourth Proportional to 28,035.32, 38,689.98 and 16,099.16

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Solution

The fourth proportional to 28,035.32, 38,689.98 and 16,099.16 is: 22,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.32 : 38,689.98 = 16,099.16 : x
  2. Step 2: Convert to fraction form
    28,035.32/38,689.98 = 16,099.16/x
  3. Step 3: Cross multiply
    28,035.32x = 38,689.98 × 16,099.16
  4. Step 4: Simplify right side
    28,035.32x = 622,876,178.42
  5. Step 5: Solve for x
    x = 622,876,178.42/28,035.32
  6. Step 6: Final answer
    x = 22,217.55

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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.