Home / 20,794.07-31,212.14-18,437.24

Finding the Fourth Proportional to 20,794.07, 31,212.14 and 18,437.24

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Solution

The fourth proportional to 20,794.07, 31,212.14 and 18,437.24 is: 27,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.07 : 31,212.14 = 18,437.24 : x
  2. Step 2: Convert to fraction form
    20,794.07/31,212.14 = 18,437.24/x
  3. Step 3: Cross multiply
    20,794.07x = 31,212.14 × 18,437.24
  4. Step 4: Simplify right side
    20,794.07x = 575,465,701.94
  5. Step 5: Solve for x
    x = 575,465,701.94/20,794.07
  6. Step 6: Final answer
    x = 27,674.51

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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.