Home / 26,449.24-39,680.54-12,210.86

Finding the Fourth Proportional to 26,449.24, 39,680.54 and 12,210.86

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Solution

The fourth proportional to 26,449.24, 39,680.54 and 12,210.86 is: 18,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.24 : 39,680.54 = 12,210.86 : x
  2. Step 2: Convert to fraction form
    26,449.24/39,680.54 = 12,210.86/x
  3. Step 3: Cross multiply
    26,449.24x = 39,680.54 × 12,210.86
  4. Step 4: Simplify right side
    26,449.24x = 484,533,518.66
  5. Step 5: Solve for x
    x = 484,533,518.66/26,449.24
  6. Step 6: Final answer
    x = 18,319.37

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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.