Home / 26,533.92-39,809.52-12,684

Finding the Fourth Proportional to 26,533.92, 39,809.52 and 12,684

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Solution

The fourth proportional to 26,533.92, 39,809.52 and 12,684 is: 19,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,533.92 : 39,809.52 = 12,684 : x
  2. Step 2: Convert to fraction form
    26,533.92/39,809.52 = 12,684/x
  3. Step 3: Cross multiply
    26,533.92x = 39,809.52 × 12,684
  4. Step 4: Simplify right side
    26,533.92x = 504,943,951.68
  5. Step 5: Solve for x
    x = 504,943,951.68/26,533.92
  6. Step 6: Final answer
    x = 19,030.13

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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.