Home / 28,694.22-43,038.56-9,971.34

Finding the Fourth Proportional to 28,694.22, 43,038.56 and 9,971.34

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Solution

The fourth proportional to 28,694.22, 43,038.56 and 9,971.34 is: 14,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.22 : 43,038.56 = 9,971.34 : x
  2. Step 2: Convert to fraction form
    28,694.22/43,038.56 = 9,971.34/x
  3. Step 3: Cross multiply
    28,694.22x = 43,038.56 × 9,971.34
  4. Step 4: Simplify right side
    28,694.22x = 429,152,114.87
  5. Step 5: Solve for x
    x = 429,152,114.87/28,694.22
  6. Step 6: Final answer
    x = 14,956.05

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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.