Home / 28,823.32-39,776.10-16,076.52

Finding the Fourth Proportional to 28,823.32, 39,776.10 and 16,076.52

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Solution

The fourth proportional to 28,823.32, 39,776.10 and 16,076.52 is: 22,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.32 : 39,776.10 = 16,076.52 : x
  2. Step 2: Convert to fraction form
    28,823.32/39,776.10 = 16,076.52/x
  3. Step 3: Cross multiply
    28,823.32x = 39,776.10 × 16,076.52
  4. Step 4: Simplify right side
    28,823.32x = 639,461,267.17
  5. Step 5: Solve for x
    x = 639,461,267.17/28,823.32
  6. Step 6: Final answer
    x = 22,185.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.