Home / 28,894.24-43,347.30-9,172.36

Finding the Fourth Proportional to 28,894.24, 43,347.30 and 9,172.36

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Solution

The fourth proportional to 28,894.24, 43,347.30 and 9,172.36 is: 13,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.24 : 43,347.30 = 9,172.36 : x
  2. Step 2: Convert to fraction form
    28,894.24/43,347.30 = 9,172.36/x
  3. Step 3: Cross multiply
    28,894.24x = 43,347.30 × 9,172.36
  4. Step 4: Simplify right side
    28,894.24x = 397,597,040.63
  5. Step 5: Solve for x
    x = 397,597,040.63/28,894.24
  6. Step 6: Final answer
    x = 13,760.43

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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.