Home / 29,223.40-40,328.47-15,794.62

Finding the Fourth Proportional to 29,223.40, 40,328.47 and 15,794.62

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Solution

The fourth proportional to 29,223.40, 40,328.47 and 15,794.62 is: 21,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,223.40 : 40,328.47 = 15,794.62 : x
  2. Step 2: Convert to fraction form
    29,223.40/40,328.47 = 15,794.62/x
  3. Step 3: Cross multiply
    29,223.40x = 40,328.47 × 15,794.62
  4. Step 4: Simplify right side
    29,223.40x = 636,972,858.83
  5. Step 5: Solve for x
    x = 636,972,858.83/29,223.40
  6. Step 6: Final answer
    x = 21,796.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.