Home / 25,259.12-37,921.49-19,419.83

Finding the Fourth Proportional to 25,259.12, 37,921.49 and 19,419.83

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Solution

The fourth proportional to 25,259.12, 37,921.49 and 19,419.83 is: 29,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.12 : 37,921.49 = 19,419.83 : x
  2. Step 2: Convert to fraction form
    25,259.12/37,921.49 = 19,419.83/x
  3. Step 3: Cross multiply
    25,259.12x = 37,921.49 × 19,419.83
  4. Step 4: Simplify right side
    25,259.12x = 736,428,792.05
  5. Step 5: Solve for x
    x = 736,428,792.05/25,259.12
  6. Step 6: Final answer
    x = 29,154.97

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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.