Home / 26,840.22-40,260.33-7,120.32

Finding the Fourth Proportional to 26,840.22, 40,260.33 and 7,120.32

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Solution

The fourth proportional to 26,840.22, 40,260.33 and 7,120.32 is: 10,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.22 : 40,260.33 = 7,120.32 : x
  2. Step 2: Convert to fraction form
    26,840.22/40,260.33 = 7,120.32/x
  3. Step 3: Cross multiply
    26,840.22x = 40,260.33 × 7,120.32
  4. Step 4: Simplify right side
    26,840.22x = 286,666,432.91
  5. Step 5: Solve for x
    x = 286,666,432.91/26,840.22
  6. Step 6: Final answer
    x = 10,680.48

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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.