Home / 28,749.95-39,668.94-16,810.97

Finding the Fourth Proportional to 28,749.95, 39,668.94 and 16,810.97

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Solution

The fourth proportional to 28,749.95, 39,668.94 and 16,810.97 is: 23,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.95 : 39,668.94 = 16,810.97 : x
  2. Step 2: Convert to fraction form
    28,749.95/39,668.94 = 16,810.97/x
  3. Step 3: Cross multiply
    28,749.95x = 39,668.94 × 16,810.97
  4. Step 4: Simplify right side
    28,749.95x = 666,873,161.93
  5. Step 5: Solve for x
    x = 666,873,161.93/28,749.95
  6. Step 6: Final answer
    x = 23,195.63

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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.