Home / 27,815.81-41,521.39-25,760.03

Finding the Fourth Proportional to 27,815.81, 41,521.39 and 25,760.03

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Solution

The fourth proportional to 27,815.81, 41,521.39 and 25,760.03 is: 38,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.81 : 41,521.39 = 25,760.03 : x
  2. Step 2: Convert to fraction form
    27,815.81/41,521.39 = 25,760.03/x
  3. Step 3: Cross multiply
    27,815.81x = 41,521.39 × 25,760.03
  4. Step 4: Simplify right side
    27,815.81x = 1,069,592,252.04
  5. Step 5: Solve for x
    x = 1,069,592,252.04/27,815.81
  6. Step 6: Final answer
    x = 38,452.67

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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.