Home / 28,181.98-38,898.12-16,252.48

Finding the Fourth Proportional to 28,181.98, 38,898.12 and 16,252.48

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Solution

The fourth proportional to 28,181.98, 38,898.12 and 16,252.48 is: 22,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.98 : 38,898.12 = 16,252.48 : x
  2. Step 2: Convert to fraction form
    28,181.98/38,898.12 = 16,252.48/x
  3. Step 3: Cross multiply
    28,181.98x = 38,898.12 × 16,252.48
  4. Step 4: Simplify right side
    28,181.98x = 632,190,917.34
  5. Step 5: Solve for x
    x = 632,190,917.34/28,181.98
  6. Step 6: Final answer
    x = 22,432.45

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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.