Home / 27,768.52-38,311.06-15,823.25

Finding the Fourth Proportional to 27,768.52, 38,311.06 and 15,823.25

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Solution

The fourth proportional to 27,768.52, 38,311.06 and 15,823.25 is: 21,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.52 : 38,311.06 = 15,823.25 : x
  2. Step 2: Convert to fraction form
    27,768.52/38,311.06 = 15,823.25/x
  3. Step 3: Cross multiply
    27,768.52x = 38,311.06 × 15,823.25
  4. Step 4: Simplify right side
    27,768.52x = 606,205,480.15
  5. Step 5: Solve for x
    x = 606,205,480.15/27,768.52
  6. Step 6: Final answer
    x = 21,830.67

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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.