Home / 28,862.93-39,837.49-16,930.11

Finding the Fourth Proportional to 28,862.93, 39,837.49 and 16,930.11

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Solution

The fourth proportional to 28,862.93, 39,837.49 and 16,930.11 is: 23,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.93 : 39,837.49 = 16,930.11 : x
  2. Step 2: Convert to fraction form
    28,862.93/39,837.49 = 16,930.11/x
  3. Step 3: Cross multiply
    28,862.93x = 39,837.49 × 16,930.11
  4. Step 4: Simplify right side
    28,862.93x = 674,453,194.89
  5. Step 5: Solve for x
    x = 674,453,194.89/28,862.93
  6. Step 6: Final answer
    x = 23,367.45

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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.