Home / 26,431.29-36,478.07-16,879.97

Finding the Fourth Proportional to 26,431.29, 36,478.07 and 16,879.97

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Solution

The fourth proportional to 26,431.29, 36,478.07 and 16,879.97 is: 23,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.29 : 36,478.07 = 16,879.97 : x
  2. Step 2: Convert to fraction form
    26,431.29/36,478.07 = 16,879.97/x
  3. Step 3: Cross multiply
    26,431.29x = 36,478.07 × 16,879.97
  4. Step 4: Simplify right side
    26,431.29x = 615,748,727.26
  5. Step 5: Solve for x
    x = 615,748,727.26/26,431.29
  6. Step 6: Final answer
    x = 23,296.20

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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.