Home / 28,622.36-39,499.27-17,290.29

Finding the Fourth Proportional to 28,622.36, 39,499.27 and 17,290.29

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Solution

The fourth proportional to 28,622.36, 39,499.27 and 17,290.29 is: 23,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.36 : 39,499.27 = 17,290.29 : x
  2. Step 2: Convert to fraction form
    28,622.36/39,499.27 = 17,290.29/x
  3. Step 3: Cross multiply
    28,622.36x = 39,499.27 × 17,290.29
  4. Step 4: Simplify right side
    28,622.36x = 682,953,653.34
  5. Step 5: Solve for x
    x = 682,953,653.34/28,622.36
  6. Step 6: Final answer
    x = 23,860.84

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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.