Home / 18,541.23-27,763.85-16,855.49

Finding the Fourth Proportional to 18,541.23, 27,763.85 and 16,855.49

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Solution

The fourth proportional to 18,541.23, 27,763.85 and 16,855.49 is: 25,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.23 : 27,763.85 = 16,855.49 : x
  2. Step 2: Convert to fraction form
    18,541.23/27,763.85 = 16,855.49/x
  3. Step 3: Cross multiply
    18,541.23x = 27,763.85 × 16,855.49
  4. Step 4: Simplify right side
    18,541.23x = 467,973,199.36
  5. Step 5: Solve for x
    x = 467,973,199.36/18,541.23
  6. Step 6: Final answer
    x = 25,239.60

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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.