Home / 19,098.40-28,669.20-14,735.20

Finding the Fourth Proportional to 19,098.40, 28,669.20 and 14,735.20

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Solution

The fourth proportional to 19,098.40, 28,669.20 and 14,735.20 is: 22,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.40 : 28,669.20 = 14,735.20 : x
  2. Step 2: Convert to fraction form
    19,098.40/28,669.20 = 14,735.20/x
  3. Step 3: Cross multiply
    19,098.40x = 28,669.20 × 14,735.20
  4. Step 4: Simplify right side
    19,098.40x = 422,446,395.84
  5. Step 5: Solve for x
    x = 422,446,395.84/19,098.40
  6. Step 6: Final answer
    x = 22,119.47

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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.