Home / 19,829.22-29,590.59-17,620.38

Finding the Fourth Proportional to 19,829.22, 29,590.59 and 17,620.38

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Solution

The fourth proportional to 19,829.22, 29,590.59 and 17,620.38 is: 26,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.22 : 29,590.59 = 17,620.38 : x
  2. Step 2: Convert to fraction form
    19,829.22/29,590.59 = 17,620.38/x
  3. Step 3: Cross multiply
    19,829.22x = 29,590.59 × 17,620.38
  4. Step 4: Simplify right side
    19,829.22x = 521,397,440.22
  5. Step 5: Solve for x
    x = 521,397,440.22/19,829.22
  6. Step 6: Final answer
    x = 26,294.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.