Home / 28,765.98-43,159.36-10,048.78

Finding the Fourth Proportional to 28,765.98, 43,159.36 and 10,048.78

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Solution

The fourth proportional to 28,765.98, 43,159.36 and 10,048.78 is: 15,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.98 : 43,159.36 = 10,048.78 : x
  2. Step 2: Convert to fraction form
    28,765.98/43,159.36 = 10,048.78/x
  3. Step 3: Cross multiply
    28,765.98x = 43,159.36 × 10,048.78
  4. Step 4: Simplify right side
    28,765.98x = 433,698,913.58
  5. Step 5: Solve for x
    x = 433,698,913.58/28,765.98
  6. Step 6: Final answer
    x = 15,076.80

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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.