Home / 17,055.90-23,520.24-15,394.59

Finding the Fourth Proportional to 17,055.90, 23,520.24 and 15,394.59

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Solution

The fourth proportional to 17,055.90, 23,520.24 and 15,394.59 is: 21,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.90 : 23,520.24 = 15,394.59 : x
  2. Step 2: Convert to fraction form
    17,055.90/23,520.24 = 15,394.59/x
  3. Step 3: Cross multiply
    17,055.90x = 23,520.24 × 15,394.59
  4. Step 4: Simplify right side
    17,055.90x = 362,084,451.50
  5. Step 5: Solve for x
    x = 362,084,451.50/17,055.90
  6. Step 6: Final answer
    x = 21,229.28

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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.