Home / 28,740.14-39,661.01-16,164.89

Finding the Fourth Proportional to 28,740.14, 39,661.01 and 16,164.89

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Solution

The fourth proportional to 28,740.14, 39,661.01 and 16,164.89 is: 22,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.14 : 39,661.01 = 16,164.89 : x
  2. Step 2: Convert to fraction form
    28,740.14/39,661.01 = 16,164.89/x
  3. Step 3: Cross multiply
    28,740.14x = 39,661.01 × 16,164.89
  4. Step 4: Simplify right side
    28,740.14x = 641,115,863.94
  5. Step 5: Solve for x
    x = 641,115,863.94/28,740.14
  6. Step 6: Final answer
    x = 22,307.33

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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.