Home / 26,415.65-39,636.30-11,622.66

Finding the Fourth Proportional to 26,415.65, 39,636.30 and 11,622.66

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Solution

The fourth proportional to 26,415.65, 39,636.30 and 11,622.66 is: 17,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.65 : 39,636.30 = 11,622.66 : x
  2. Step 2: Convert to fraction form
    26,415.65/39,636.30 = 11,622.66/x
  3. Step 3: Cross multiply
    26,415.65x = 39,636.30 × 11,622.66
  4. Step 4: Simplify right side
    26,415.65x = 460,679,238.56
  5. Step 5: Solve for x
    x = 460,679,238.56/26,415.65
  6. Step 6: Final answer
    x = 17,439.63

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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.