Home / 22,430.28-30,935.61-19,735.68

Finding the Fourth Proportional to 22,430.28, 30,935.61 and 19,735.68

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Solution

The fourth proportional to 22,430.28, 30,935.61 and 19,735.68 is: 27,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.28 : 30,935.61 = 19,735.68 : x
  2. Step 2: Convert to fraction form
    22,430.28/30,935.61 = 19,735.68/x
  3. Step 3: Cross multiply
    22,430.28x = 30,935.61 × 19,735.68
  4. Step 4: Simplify right side
    22,430.28x = 610,535,299.56
  5. Step 5: Solve for x
    x = 610,535,299.56/22,430.28
  6. Step 6: Final answer
    x = 27,219.25

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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.