Home / 26,953.16-40,428.30-7,231.40

Finding the Fourth Proportional to 26,953.16, 40,428.30 and 7,231.40

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Solution

The fourth proportional to 26,953.16, 40,428.30 and 7,231.40 is: 10,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953.16 : 40,428.30 = 7,231.40 : x
  2. Step 2: Convert to fraction form
    26,953.16/40,428.30 = 7,231.40/x
  3. Step 3: Cross multiply
    26,953.16x = 40,428.30 × 7,231.40
  4. Step 4: Simplify right side
    26,953.16x = 292,353,208.62
  5. Step 5: Solve for x
    x = 292,353,208.62/26,953.16
  6. Step 6: Final answer
    x = 10,846.71

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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.