Home / 20,477.44-28,270.92-19,296.46

Finding the Fourth Proportional to 20,477.44, 28,270.92 and 19,296.46

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Solution

The fourth proportional to 20,477.44, 28,270.92 and 19,296.46 is: 26,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.44 : 28,270.92 = 19,296.46 : x
  2. Step 2: Convert to fraction form
    20,477.44/28,270.92 = 19,296.46/x
  3. Step 3: Cross multiply
    20,477.44x = 28,270.92 × 19,296.46
  4. Step 4: Simplify right side
    20,477.44x = 545,528,676.94
  5. Step 5: Solve for x
    x = 545,528,676.94/20,477.44
  6. Step 6: Final answer
    x = 26,640.47

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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.