Home / 26,840.20-40,260.30-13,718.20

Finding the Fourth Proportional to 26,840.20, 40,260.30 and 13,718.20

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Solution

The fourth proportional to 26,840.20, 40,260.30 and 13,718.20 is: 20,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.20 : 40,260.30 = 13,718.20 : x
  2. Step 2: Convert to fraction form
    26,840.20/40,260.30 = 13,718.20/x
  3. Step 3: Cross multiply
    26,840.20x = 40,260.30 × 13,718.20
  4. Step 4: Simplify right side
    26,840.20x = 552,298,847.46
  5. Step 5: Solve for x
    x = 552,298,847.46/26,840.20
  6. Step 6: Final answer
    x = 20,577.30

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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.