Home / 19,835.19-27,223.11-18,145.80

Finding the Fourth Proportional to 19,835.19, 27,223.11 and 18,145.80

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Solution

The fourth proportional to 19,835.19, 27,223.11 and 18,145.80 is: 24,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.19 : 27,223.11 = 18,145.80 : x
  2. Step 2: Convert to fraction form
    19,835.19/27,223.11 = 18,145.80/x
  3. Step 3: Cross multiply
    19,835.19x = 27,223.11 × 18,145.80
  4. Step 4: Simplify right side
    19,835.19x = 493,985,109.44
  5. Step 5: Solve for x
    x = 493,985,109.44/19,835.19
  6. Step 6: Final answer
    x = 24,904.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.