Home / 21,837.48-32,783.64-18,184.44

Finding the Fourth Proportional to 21,837.48, 32,783.64 and 18,184.44

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Solution

The fourth proportional to 21,837.48, 32,783.64 and 18,184.44 is: 27,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.48 : 32,783.64 = 18,184.44 : x
  2. Step 2: Convert to fraction form
    21,837.48/32,783.64 = 18,184.44/x
  3. Step 3: Cross multiply
    21,837.48x = 32,783.64 × 18,184.44
  4. Step 4: Simplify right side
    21,837.48x = 596,152,134.56
  5. Step 5: Solve for x
    x = 596,152,134.56/21,837.48
  6. Step 6: Final answer
    x = 27,299.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.