Home / 25,452.18-38,183.76-7,681.36

Finding the Fourth Proportional to 25,452.18, 38,183.76 and 7,681.36

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Solution

The fourth proportional to 25,452.18, 38,183.76 and 7,681.36 is: 11,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.18 : 38,183.76 = 7,681.36 : x
  2. Step 2: Convert to fraction form
    25,452.18/38,183.76 = 7,681.36/x
  3. Step 3: Cross multiply
    25,452.18x = 38,183.76 × 7,681.36
  4. Step 4: Simplify right side
    25,452.18x = 293,303,193.81
  5. Step 5: Solve for x
    x = 293,303,193.81/25,452.18
  6. Step 6: Final answer
    x = 11,523.69

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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.