Home / 55,269.73-82,920.75-17,828.98

Finding the Fourth Proportional to 55,269.73, 82,920.75 and 17,828.98

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Solution

The fourth proportional to 55,269.73, 82,920.75 and 17,828.98 is: 26,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.73 : 82,920.75 = 17,828.98 : x
  2. Step 2: Convert to fraction form
    55,269.73/82,920.75 = 17,828.98/x
  3. Step 3: Cross multiply
    55,269.73x = 82,920.75 × 17,828.98
  4. Step 4: Simplify right side
    55,269.73x = 1,478,392,119.17
  5. Step 5: Solve for x
    x = 1,478,392,119.17/55,269.73
  6. Step 6: Final answer
    x = 26,748.68

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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.