Home / 28,802.88-43,146.72-22,889.64

Finding the Fourth Proportional to 28,802.88, 43,146.72 and 22,889.64

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Solution

The fourth proportional to 28,802.88, 43,146.72 and 22,889.64 is: 34,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.88 : 43,146.72 = 22,889.64 : x
  2. Step 2: Convert to fraction form
    28,802.88/43,146.72 = 22,889.64/x
  3. Step 3: Cross multiply
    28,802.88x = 43,146.72 × 22,889.64
  4. Step 4: Simplify right side
    28,802.88x = 987,612,887.98
  5. Step 5: Solve for x
    x = 987,612,887.98/28,802.88
  6. Step 6: Final answer
    x = 34,288.69

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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.