Home / 19,585.64-27,042.22-12,042.08

Finding the Fourth Proportional to 19,585.64, 27,042.22 and 12,042.08

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Solution

The fourth proportional to 19,585.64, 27,042.22 and 12,042.08 is: 16,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.64 : 27,042.22 = 12,042.08 : x
  2. Step 2: Convert to fraction form
    19,585.64/27,042.22 = 12,042.08/x
  3. Step 3: Cross multiply
    19,585.64x = 27,042.22 × 12,042.08
  4. Step 4: Simplify right side
    19,585.64x = 325,644,576.62
  5. Step 5: Solve for x
    x = 325,644,576.62/19,585.64
  6. Step 6: Final answer
    x = 16,626.70

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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.