Home / 28,822.72-39,773.95-16,077.24

Finding the Fourth Proportional to 28,822.72, 39,773.95 and 16,077.24

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Solution

The fourth proportional to 28,822.72, 39,773.95 and 16,077.24 is: 22,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.72 : 39,773.95 = 16,077.24 : x
  2. Step 2: Convert to fraction form
    28,822.72/39,773.95 = 16,077.24/x
  3. Step 3: Cross multiply
    28,822.72x = 39,773.95 × 16,077.24
  4. Step 4: Simplify right side
    28,822.72x = 639,455,339.90
  5. Step 5: Solve for x
    x = 639,455,339.90/28,822.72
  6. Step 6: Final answer
    x = 22,185.81

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1.5x scale

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.