Home / 28,833-39,789.60-16,258.20

Finding the Fourth Proportional to 28,833, 39,789.60 and 16,258.20

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Solution

The fourth proportional to 28,833, 39,789.60 and 16,258.20 is: 22,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833 : 39,789.60 = 16,258.20 : x
  2. Step 2: Convert to fraction form
    28,833/39,789.60 = 16,258.20/x
  3. Step 3: Cross multiply
    28,833x = 39,789.60 × 16,258.20
  4. Step 4: Simplify right side
    28,833x = 646,907,274.72
  5. Step 5: Solve for x
    x = 646,907,274.72/28,833
  6. Step 6: Final answer
    x = 22,436.35

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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.