Home / 28,799.56-39,743.34-16,862.32

Finding the Fourth Proportional to 28,799.56, 39,743.34 and 16,862.32

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Solution

The fourth proportional to 28,799.56, 39,743.34 and 16,862.32 is: 23,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.56 : 39,743.34 = 16,862.32 : x
  2. Step 2: Convert to fraction form
    28,799.56/39,743.34 = 16,862.32/x
  3. Step 3: Cross multiply
    28,799.56x = 39,743.34 × 16,862.32
  4. Step 4: Simplify right side
    28,799.56x = 670,164,916.95
  5. Step 5: Solve for x
    x = 670,164,916.95/28,799.56
  6. Step 6: Final answer
    x = 23,269.97

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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.