Home / 19,619.01-29,428.52-4,828.21

Finding the Fourth Proportional to 19,619.01, 29,428.52 and 4,828.21

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Solution

The fourth proportional to 19,619.01, 29,428.52 and 4,828.21 is: 7,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.01 : 29,428.52 = 4,828.21 : x
  2. Step 2: Convert to fraction form
    19,619.01/29,428.52 = 4,828.21/x
  3. Step 3: Cross multiply
    19,619.01x = 29,428.52 × 4,828.21
  4. Step 4: Simplify right side
    19,619.01x = 142,086,976.84
  5. Step 5: Solve for x
    x = 142,086,976.84/19,619.01
  6. Step 6: Final answer
    x = 7,242.31

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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.