Home / 19,165.19-28,745.36-14,242.01

Finding the Fourth Proportional to 19,165.19, 28,745.36 and 14,242.01

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Solution

The fourth proportional to 19,165.19, 28,745.36 and 14,242.01 is: 21,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.19 : 28,745.36 = 14,242.01 : x
  2. Step 2: Convert to fraction form
    19,165.19/28,745.36 = 14,242.01/x
  3. Step 3: Cross multiply
    19,165.19x = 28,745.36 × 14,242.01
  4. Step 4: Simplify right side
    19,165.19x = 409,391,633.36
  5. Step 5: Solve for x
    x = 409,391,633.36/19,165.19
  6. Step 6: Final answer
    x = 21,361.21

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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.