Home / 26,879.38-37,088.13-15,699.22

Finding the Fourth Proportional to 26,879.38, 37,088.13 and 15,699.22

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Solution

The fourth proportional to 26,879.38, 37,088.13 and 15,699.22 is: 21,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.38 : 37,088.13 = 15,699.22 : x
  2. Step 2: Convert to fraction form
    26,879.38/37,088.13 = 15,699.22/x
  3. Step 3: Cross multiply
    26,879.38x = 37,088.13 × 15,699.22
  4. Step 4: Simplify right side
    26,879.38x = 582,254,712.26
  5. Step 5: Solve for x
    x = 582,254,712.26/26,879.38
  6. Step 6: Final answer
    x = 21,661.76

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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.