Home / 27,099.60-40,639.30-9,325.30

Finding the Fourth Proportional to 27,099.60, 40,639.30 and 9,325.30

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Solution

The fourth proportional to 27,099.60, 40,639.30 and 9,325.30 is: 13,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.60 : 40,639.30 = 9,325.30 : x
  2. Step 2: Convert to fraction form
    27,099.60/40,639.30 = 9,325.30/x
  3. Step 3: Cross multiply
    27,099.60x = 40,639.30 × 9,325.30
  4. Step 4: Simplify right side
    27,099.60x = 378,973,539.38
  5. Step 5: Solve for x
    x = 378,973,539.38/27,099.60
  6. Step 6: Final answer
    x = 13,984.47

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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.