Home / 28,758.68-43,148.40-10,041.48

Finding the Fourth Proportional to 28,758.68, 43,148.40 and 10,041.48

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Solution

The fourth proportional to 28,758.68, 43,148.40 and 10,041.48 is: 15,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.68 : 43,148.40 = 10,041.48 : x
  2. Step 2: Convert to fraction form
    28,758.68/43,148.40 = 10,041.48/x
  3. Step 3: Cross multiply
    28,758.68x = 43,148.40 × 10,041.48
  4. Step 4: Simplify right side
    28,758.68x = 433,273,579.89
  5. Step 5: Solve for x
    x = 433,273,579.89/28,758.68
  6. Step 6: Final answer
    x = 15,065.84

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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.