Home / 28,043.37-42,069.51-10,514.52

Finding the Fourth Proportional to 28,043.37, 42,069.51 and 10,514.52

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Solution

The fourth proportional to 28,043.37, 42,069.51 and 10,514.52 is: 15,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.37 : 42,069.51 = 10,514.52 : x
  2. Step 2: Convert to fraction form
    28,043.37/42,069.51 = 10,514.52/x
  3. Step 3: Cross multiply
    28,043.37x = 42,069.51 × 10,514.52
  4. Step 4: Simplify right side
    28,043.37x = 442,340,704.29
  5. Step 5: Solve for x
    x = 442,340,704.29/28,043.37
  6. Step 6: Final answer
    x = 15,773.45

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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.