Home / 26,749.56-40,107.93-11,938.11

Finding the Fourth Proportional to 26,749.56, 40,107.93 and 11,938.11

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Solution

The fourth proportional to 26,749.56, 40,107.93 and 11,938.11 is: 17,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.56 : 40,107.93 = 11,938.11 : x
  2. Step 2: Convert to fraction form
    26,749.56/40,107.93 = 11,938.11/x
  3. Step 3: Cross multiply
    26,749.56x = 40,107.93 × 11,938.11
  4. Step 4: Simplify right side
    26,749.56x = 478,812,880.21
  5. Step 5: Solve for x
    x = 478,812,880.21/26,749.56
  6. Step 6: Final answer
    x = 17,899.84

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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.