Home / 19,828.62-29,742.66-4,835.81

Finding the Fourth Proportional to 19,828.62, 29,742.66 and 4,835.81

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Solution

The fourth proportional to 19,828.62, 29,742.66 and 4,835.81 is: 7,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.62 : 29,742.66 = 4,835.81 : x
  2. Step 2: Convert to fraction form
    19,828.62/29,742.66 = 4,835.81/x
  3. Step 3: Cross multiply
    19,828.62x = 29,742.66 × 4,835.81
  4. Step 4: Simplify right side
    19,828.62x = 143,829,703.94
  5. Step 5: Solve for x
    x = 143,829,703.94/19,828.62
  6. Step 6: Final answer
    x = 7,253.64

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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.