Home / 19,334.28-28,769.82-19,268.67

Finding the Fourth Proportional to 19,334.28, 28,769.82 and 19,268.67

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Solution

The fourth proportional to 19,334.28, 28,769.82 and 19,268.67 is: 28,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.28 : 28,769.82 = 19,268.67 : x
  2. Step 2: Convert to fraction form
    19,334.28/28,769.82 = 19,268.67/x
  3. Step 3: Cross multiply
    19,334.28x = 28,769.82 × 19,268.67
  4. Step 4: Simplify right side
    19,334.28x = 554,356,167.54
  5. Step 5: Solve for x
    x = 554,356,167.54/19,334.28
  6. Step 6: Final answer
    x = 28,672.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.