Home / 26,948.07-40,406.42-10,309.25

Finding the Fourth Proportional to 26,948.07, 40,406.42 and 10,309.25

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Solution

The fourth proportional to 26,948.07, 40,406.42 and 10,309.25 is: 15,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.07 : 40,406.42 = 10,309.25 : x
  2. Step 2: Convert to fraction form
    26,948.07/40,406.42 = 10,309.25/x
  3. Step 3: Cross multiply
    26,948.07x = 40,406.42 × 10,309.25
  4. Step 4: Simplify right side
    26,948.07x = 416,559,631.81
  5. Step 5: Solve for x
    x = 416,559,631.81/26,948.07
  6. Step 6: Final answer
    x = 15,457.87

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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.