Home / 28,840.60-43,260.64-9,119.17

Finding the Fourth Proportional to 28,840.60, 43,260.64 and 9,119.17

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Solution

The fourth proportional to 28,840.60, 43,260.64 and 9,119.17 is: 13,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.60 : 43,260.64 = 9,119.17 : x
  2. Step 2: Convert to fraction form
    28,840.60/43,260.64 = 9,119.17/x
  3. Step 3: Cross multiply
    28,840.60x = 43,260.64 × 9,119.17
  4. Step 4: Simplify right side
    28,840.60x = 394,500,999.52
  5. Step 5: Solve for x
    x = 394,500,999.52/28,840.60
  6. Step 6: Final answer
    x = 13,678.67

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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.