Home / 28,863.98-43,277.32-18,973.28

Finding the Fourth Proportional to 28,863.98, 43,277.32 and 18,973.28

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Solution

The fourth proportional to 28,863.98, 43,277.32 and 18,973.28 is: 28,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.98 : 43,277.32 = 18,973.28 : x
  2. Step 2: Convert to fraction form
    28,863.98/43,277.32 = 18,973.28/x
  3. Step 3: Cross multiply
    28,863.98x = 43,277.32 × 18,973.28
  4. Step 4: Simplify right side
    28,863.98x = 821,112,710.01
  5. Step 5: Solve for x
    x = 821,112,710.01/28,863.98
  6. Step 6: Final answer
    x = 28,447.66

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1.5x scale

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.