Home / 28,277.67-39,021.42-16,339.08

Finding the Fourth Proportional to 28,277.67, 39,021.42 and 16,339.08

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Solution

The fourth proportional to 28,277.67, 39,021.42 and 16,339.08 is: 22,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.67 : 39,021.42 = 16,339.08 : x
  2. Step 2: Convert to fraction form
    28,277.67/39,021.42 = 16,339.08/x
  3. Step 3: Cross multiply
    28,277.67x = 39,021.42 × 16,339.08
  4. Step 4: Simplify right side
    28,277.67x = 637,574,103.09
  5. Step 5: Solve for x
    x = 637,574,103.09/28,277.67
  6. Step 6: Final answer
    x = 22,546.91

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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.