Home / 28,850.22-43,281.21-12,210.18

Finding the Fourth Proportional to 28,850.22, 43,281.21 and 12,210.18

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Solution

The fourth proportional to 28,850.22, 43,281.21 and 12,210.18 is: 18,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.22 : 43,281.21 = 12,210.18 : x
  2. Step 2: Convert to fraction form
    28,850.22/43,281.21 = 12,210.18/x
  3. Step 3: Cross multiply
    28,850.22x = 43,281.21 × 12,210.18
  4. Step 4: Simplify right side
    28,850.22x = 528,471,364.72
  5. Step 5: Solve for x
    x = 528,471,364.72/28,850.22
  6. Step 6: Final answer
    x = 18,317.76

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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.