Home / 28,231.98-38,963.34-16,298.52

Finding the Fourth Proportional to 28,231.98, 38,963.34 and 16,298.52

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Solution

The fourth proportional to 28,231.98, 38,963.34 and 16,298.52 is: 22,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.98 : 38,963.34 = 16,298.52 : x
  2. Step 2: Convert to fraction form
    28,231.98/38,963.34 = 16,298.52/x
  3. Step 3: Cross multiply
    28,231.98x = 38,963.34 × 16,298.52
  4. Step 4: Simplify right side
    28,231.98x = 635,044,776.26
  5. Step 5: Solve for x
    x = 635,044,776.26/28,231.98
  6. Step 6: Final answer
    x = 22,493.81

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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.