Home / 28,071.08-42,084.26-16,211.40

Finding the Fourth Proportional to 28,071.08, 42,084.26 and 16,211.40

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Solution

The fourth proportional to 28,071.08, 42,084.26 and 16,211.40 is: 24,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.08 : 42,084.26 = 16,211.40 : x
  2. Step 2: Convert to fraction form
    28,071.08/42,084.26 = 16,211.40/x
  3. Step 3: Cross multiply
    28,071.08x = 42,084.26 × 16,211.40
  4. Step 4: Simplify right side
    28,071.08x = 682,244,772.56
  5. Step 5: Solve for x
    x = 682,244,772.56/28,071.08
  6. Step 6: Final answer
    x = 24,304.19

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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.