Home / 28,817.06-43,215.19-12,178.37

Finding the Fourth Proportional to 28,817.06, 43,215.19 and 12,178.37

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Solution

The fourth proportional to 28,817.06, 43,215.19 and 12,178.37 is: 18,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.06 : 43,215.19 = 12,178.37 : x
  2. Step 2: Convert to fraction form
    28,817.06/43,215.19 = 12,178.37/x
  3. Step 3: Cross multiply
    28,817.06x = 43,215.19 × 12,178.37
  4. Step 4: Simplify right side
    28,817.06x = 526,290,651.03
  5. Step 5: Solve for x
    x = 526,290,651.03/28,817.06
  6. Step 6: Final answer
    x = 18,263.17

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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.