Home / 28,590.33-39,487.77-19,013.64

Finding the Fourth Proportional to 28,590.33, 39,487.77 and 19,013.64

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Solution

The fourth proportional to 28,590.33, 39,487.77 and 19,013.64 is: 26,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.33 : 39,487.77 = 19,013.64 : x
  2. Step 2: Convert to fraction form
    28,590.33/39,487.77 = 19,013.64/x
  3. Step 3: Cross multiply
    28,590.33x = 39,487.77 × 19,013.64
  4. Step 4: Simplify right side
    28,590.33x = 750,806,243.18
  5. Step 5: Solve for x
    x = 750,806,243.18/28,590.33
  6. Step 6: Final answer
    x = 26,260.85

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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.