Home / 28,425.51-42,644.43-10,895.36

Finding the Fourth Proportional to 28,425.51, 42,644.43 and 10,895.36

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Solution

The fourth proportional to 28,425.51, 42,644.43 and 10,895.36 is: 16,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425.51 : 42,644.43 = 10,895.36 : x
  2. Step 2: Convert to fraction form
    28,425.51/42,644.43 = 10,895.36/x
  3. Step 3: Cross multiply
    28,425.51x = 42,644.43 × 10,895.36
  4. Step 4: Simplify right side
    28,425.51x = 464,626,203.62
  5. Step 5: Solve for x
    x = 464,626,203.62/28,425.51
  6. Step 6: Final answer
    x = 16,345.40

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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.