Home / 28,059.56-42,084.94-16,821.16

Finding the Fourth Proportional to 28,059.56, 42,084.94 and 16,821.16

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Solution

The fourth proportional to 28,059.56, 42,084.94 and 16,821.16 is: 25,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.56 : 42,084.94 = 16,821.16 : x
  2. Step 2: Convert to fraction form
    28,059.56/42,084.94 = 16,821.16/x
  3. Step 3: Cross multiply
    28,059.56x = 42,084.94 × 16,821.16
  4. Step 4: Simplify right side
    28,059.56x = 707,917,509.33
  5. Step 5: Solve for x
    x = 707,917,509.33/28,059.56
  6. Step 6: Final answer
    x = 25,229.10

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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.