Home / 26,979.95-40,481.60-14,485.40

Finding the Fourth Proportional to 26,979.95, 40,481.60 and 14,485.40

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Solution

The fourth proportional to 26,979.95, 40,481.60 and 14,485.40 is: 21,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.95 : 40,481.60 = 14,485.40 : x
  2. Step 2: Convert to fraction form
    26,979.95/40,481.60 = 14,485.40/x
  3. Step 3: Cross multiply
    26,979.95x = 40,481.60 × 14,485.40
  4. Step 4: Simplify right side
    26,979.95x = 586,392,168.64
  5. Step 5: Solve for x
    x = 586,392,168.64/26,979.95
  6. Step 6: Final answer
    x = 21,734.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.