Home / 28,042.29-42,071.38-11,414.26

Finding the Fourth Proportional to 28,042.29, 42,071.38 and 11,414.26

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Solution

The fourth proportional to 28,042.29, 42,071.38 and 11,414.26 is: 17,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.29 : 42,071.38 = 11,414.26 : x
  2. Step 2: Convert to fraction form
    28,042.29/42,071.38 = 11,414.26/x
  3. Step 3: Cross multiply
    28,042.29x = 42,071.38 × 11,414.26
  4. Step 4: Simplify right side
    28,042.29x = 480,213,536.16
  5. Step 5: Solve for x
    x = 480,213,536.16/28,042.29
  6. Step 6: Final answer
    x = 17,124.62

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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.