Home / 19,020.22-28,502.43-10,716.28

Finding the Fourth Proportional to 19,020.22, 28,502.43 and 10,716.28

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Solution

The fourth proportional to 19,020.22, 28,502.43 and 10,716.28 is: 16,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.22 : 28,502.43 = 10,716.28 : x
  2. Step 2: Convert to fraction form
    19,020.22/28,502.43 = 10,716.28/x
  3. Step 3: Cross multiply
    19,020.22x = 28,502.43 × 10,716.28
  4. Step 4: Simplify right side
    19,020.22x = 305,440,020.56
  5. Step 5: Solve for x
    x = 305,440,020.56/19,020.22
  6. Step 6: Final answer
    x = 16,058.70

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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.