Home / 28,906.29-39,895.76-16,810.52

Finding the Fourth Proportional to 28,906.29, 39,895.76 and 16,810.52

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Solution

The fourth proportional to 28,906.29, 39,895.76 and 16,810.52 is: 23,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.29 : 39,895.76 = 16,810.52 : x
  2. Step 2: Convert to fraction form
    28,906.29/39,895.76 = 16,810.52/x
  3. Step 3: Cross multiply
    28,906.29x = 39,895.76 × 16,810.52
  4. Step 4: Simplify right side
    28,906.29x = 670,668,313.94
  5. Step 5: Solve for x
    x = 670,668,313.94/28,906.29
  6. Step 6: Final answer
    x = 23,201.47

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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.