Home / 26,730.70-36,892.27-15,397.99

Finding the Fourth Proportional to 26,730.70, 36,892.27 and 15,397.99

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Solution

The fourth proportional to 26,730.70, 36,892.27 and 15,397.99 is: 21,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.70 : 36,892.27 = 15,397.99 : x
  2. Step 2: Convert to fraction form
    26,730.70/36,892.27 = 15,397.99/x
  3. Step 3: Cross multiply
    26,730.70x = 36,892.27 × 15,397.99
  4. Step 4: Simplify right side
    26,730.70x = 568,066,804.54
  5. Step 5: Solve for x
    x = 568,066,804.54/26,730.70
  6. Step 6: Final answer
    x = 21,251.48

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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.