Home / 19,852.46-29,778.66-15,473.20

Finding the Fourth Proportional to 19,852.46, 29,778.66 and 15,473.20

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Solution

The fourth proportional to 19,852.46, 29,778.66 and 15,473.20 is: 23,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.46 : 29,778.66 = 15,473.20 : x
  2. Step 2: Convert to fraction form
    19,852.46/29,778.66 = 15,473.20/x
  3. Step 3: Cross multiply
    19,852.46x = 29,778.66 × 15,473.20
  4. Step 4: Simplify right side
    19,852.46x = 460,771,161.91
  5. Step 5: Solve for x
    x = 460,771,161.91/19,852.46
  6. Step 6: Final answer
    x = 23,209.78

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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.