Home / 18,892.08-28,335.96-5,042.16

Finding the Fourth Proportional to 18,892.08, 28,335.96 and 5,042.16

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Solution

The fourth proportional to 18,892.08, 28,335.96 and 5,042.16 is: 7,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.08 : 28,335.96 = 5,042.16 : x
  2. Step 2: Convert to fraction form
    18,892.08/28,335.96 = 5,042.16/x
  3. Step 3: Cross multiply
    18,892.08x = 28,335.96 × 5,042.16
  4. Step 4: Simplify right side
    18,892.08x = 142,874,444.07
  5. Step 5: Solve for x
    x = 142,874,444.07/18,892.08
  6. Step 6: Final answer
    x = 7,562.66

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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.