Home / 28,667.67-39,542.54-18,048.39

Finding the Fourth Proportional to 28,667.67, 39,542.54 and 18,048.39

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Solution

The fourth proportional to 28,667.67, 39,542.54 and 18,048.39 is: 24,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.67 : 39,542.54 = 18,048.39 : x
  2. Step 2: Convert to fraction form
    28,667.67/39,542.54 = 18,048.39/x
  3. Step 3: Cross multiply
    28,667.67x = 39,542.54 × 18,048.39
  4. Step 4: Simplify right side
    28,667.67x = 713,679,093.27
  5. Step 5: Solve for x
    x = 713,679,093.27/28,667.67
  6. Step 6: Final answer
    x = 24,894.91

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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.