Home / 28,292.31-42,462.77-13,493.61

Finding the Fourth Proportional to 28,292.31, 42,462.77 and 13,493.61

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Solution

The fourth proportional to 28,292.31, 42,462.77 and 13,493.61 is: 20,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.31 : 42,462.77 = 13,493.61 : x
  2. Step 2: Convert to fraction form
    28,292.31/42,462.77 = 13,493.61/x
  3. Step 3: Cross multiply
    28,292.31x = 42,462.77 × 13,493.61
  4. Step 4: Simplify right side
    28,292.31x = 572,975,990.43
  5. Step 5: Solve for x
    x = 572,975,990.43/28,292.31
  6. Step 6: Final answer
    x = 20,252.00

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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.