Home / 19,875.92-29,811.54-5,084.91

Finding the Fourth Proportional to 19,875.92, 29,811.54 and 5,084.91

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Solution

The fourth proportional to 19,875.92, 29,811.54 and 5,084.91 is: 7,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.92 : 29,811.54 = 5,084.91 : x
  2. Step 2: Convert to fraction form
    19,875.92/29,811.54 = 5,084.91/x
  3. Step 3: Cross multiply
    19,875.92x = 29,811.54 × 5,084.91
  4. Step 4: Simplify right side
    19,875.92x = 151,588,997.86
  5. Step 5: Solve for x
    x = 151,588,997.86/19,875.92
  6. Step 6: Final answer
    x = 7,626.77

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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.