Home / 25,258.62-37,920.74-19,419.33

Finding the Fourth Proportional to 25,258.62, 37,920.74 and 19,419.33

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Solution

The fourth proportional to 25,258.62, 37,920.74 and 19,419.33 is: 29,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,258.62 : 37,920.74 = 19,419.33 : x
  2. Step 2: Convert to fraction form
    25,258.62/37,920.74 = 19,419.33/x
  3. Step 3: Cross multiply
    25,258.62x = 37,920.74 × 19,419.33
  4. Step 4: Simplify right side
    25,258.62x = 736,395,266.81
  5. Step 5: Solve for x
    x = 736,395,266.81/25,258.62
  6. Step 6: Final answer
    x = 29,154.22

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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.