Home / 28,764.98-43,157.86-10,047.78

Finding the Fourth Proportional to 28,764.98, 43,157.86 and 10,047.78

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Solution

The fourth proportional to 28,764.98, 43,157.86 and 10,047.78 is: 15,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.98 : 43,157.86 = 10,047.78 : x
  2. Step 2: Convert to fraction form
    28,764.98/43,157.86 = 10,047.78/x
  3. Step 3: Cross multiply
    28,764.98x = 43,157.86 × 10,047.78
  4. Step 4: Simplify right side
    28,764.98x = 433,640,682.55
  5. Step 5: Solve for x
    x = 433,640,682.55/28,764.98
  6. Step 6: Final answer
    x = 15,075.30

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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.