Home / 28,765.18-43,158.15-10,047.97

Finding the Fourth Proportional to 28,765.18, 43,158.15 and 10,047.97

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Solution

The fourth proportional to 28,765.18, 43,158.15 and 10,047.97 is: 15,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.18 : 43,158.15 = 10,047.97 : x
  2. Step 2: Convert to fraction form
    28,765.18/43,158.15 = 10,047.97/x
  3. Step 3: Cross multiply
    28,765.18x = 43,158.15 × 10,047.97
  4. Step 4: Simplify right side
    28,765.18x = 433,651,796.46
  5. Step 5: Solve for x
    x = 433,651,796.46/28,765.18
  6. Step 6: Final answer
    x = 15,075.58

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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.