Home / 26,976.74-37,231.10-15,495.86

Finding the Fourth Proportional to 26,976.74, 37,231.10 and 15,495.86

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Solution

The fourth proportional to 26,976.74, 37,231.10 and 15,495.86 is: 21,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976.74 : 37,231.10 = 15,495.86 : x
  2. Step 2: Convert to fraction form
    26,976.74/37,231.10 = 15,495.86/x
  3. Step 3: Cross multiply
    26,976.74x = 37,231.10 × 15,495.86
  4. Step 4: Simplify right side
    26,976.74x = 576,927,649.61
  5. Step 5: Solve for x
    x = 576,927,649.61/26,976.74
  6. Step 6: Final answer
    x = 21,386.12

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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.