Home / 28,052.16-42,084.68-8,330.28

Finding the Fourth Proportional to 28,052.16, 42,084.68 and 8,330.28

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Solution

The fourth proportional to 28,052.16, 42,084.68 and 8,330.28 is: 12,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.16 : 42,084.68 = 8,330.28 : x
  2. Step 2: Convert to fraction form
    28,052.16/42,084.68 = 8,330.28/x
  3. Step 3: Cross multiply
    28,052.16x = 42,084.68 × 8,330.28
  4. Step 4: Simplify right side
    28,052.16x = 350,577,168.11
  5. Step 5: Solve for x
    x = 350,577,168.11/28,052.16
  6. Step 6: Final answer
    x = 12,497.33

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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.