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Finding the Fourth Proportional to 28,027, 38,665.92 and 17,957.08

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Solution

The fourth proportional to 28,027, 38,665.92 and 17,957.08 is: 24,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027 : 38,665.92 = 17,957.08 : x
  2. Step 2: Convert to fraction form
    28,027/38,665.92 = 17,957.08/x
  3. Step 3: Cross multiply
    28,027x = 38,665.92 × 17,957.08
  4. Step 4: Simplify right side
    28,027x = 694,327,018.71
  5. Step 5: Solve for x
    x = 694,327,018.71/28,027
  6. Step 6: Final answer
    x = 24,773.50

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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.