Home / 28,952.88-43,361.28-14,115.32

Finding the Fourth Proportional to 28,952.88, 43,361.28 and 14,115.32

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Solution

The fourth proportional to 28,952.88, 43,361.28 and 14,115.32 is: 21,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.88 : 43,361.28 = 14,115.32 : x
  2. Step 2: Convert to fraction form
    28,952.88/43,361.28 = 14,115.32/x
  3. Step 3: Cross multiply
    28,952.88x = 43,361.28 × 14,115.32
  4. Step 4: Simplify right side
    28,952.88x = 612,058,342.81
  5. Step 5: Solve for x
    x = 612,058,342.81/28,952.88
  6. Step 6: Final answer
    x = 21,139.81

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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.