Home / 26,181.40-39,278.21-7,461.67

Finding the Fourth Proportional to 26,181.40, 39,278.21 and 7,461.67

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Solution

The fourth proportional to 26,181.40, 39,278.21 and 7,461.67 is: 11,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.40 : 39,278.21 = 7,461.67 : x
  2. Step 2: Convert to fraction form
    26,181.40/39,278.21 = 7,461.67/x
  3. Step 3: Cross multiply
    26,181.40x = 39,278.21 × 7,461.67
  4. Step 4: Simplify right side
    26,181.40x = 293,080,807.51
  5. Step 5: Solve for x
    x = 293,080,807.51/26,181.40
  6. Step 6: Final answer
    x = 11,194.24

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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.