Home / 21,837.26-32,682.08-18,146.70

Finding the Fourth Proportional to 21,837.26, 32,682.08 and 18,146.70

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Solution

The fourth proportional to 21,837.26, 32,682.08 and 18,146.70 is: 27,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.26 : 32,682.08 = 18,146.70 : x
  2. Step 2: Convert to fraction form
    21,837.26/32,682.08 = 18,146.70/x
  3. Step 3: Cross multiply
    21,837.26x = 32,682.08 × 18,146.70
  4. Step 4: Simplify right side
    21,837.26x = 593,071,946.50
  5. Step 5: Solve for x
    x = 593,071,946.50/21,837.26
  6. Step 6: Final answer
    x = 27,158.71

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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.