Home / 19,838.04-29,713.32-18,000.96

Finding the Fourth Proportional to 19,838.04, 29,713.32 and 18,000.96

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Solution

The fourth proportional to 19,838.04, 29,713.32 and 18,000.96 is: 26,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.04 : 29,713.32 = 18,000.96 : x
  2. Step 2: Convert to fraction form
    19,838.04/29,713.32 = 18,000.96/x
  3. Step 3: Cross multiply
    19,838.04x = 29,713.32 × 18,000.96
  4. Step 4: Simplify right side
    19,838.04x = 534,868,284.79
  5. Step 5: Solve for x
    x = 534,868,284.79/19,838.04
  6. Step 6: Final answer
    x = 26,961.75

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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.