Home / 28,375.41-42,518.97-10,835.67

Finding the Fourth Proportional to 28,375.41, 42,518.97 and 10,835.67

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Solution

The fourth proportional to 28,375.41, 42,518.97 and 10,835.67 is: 16,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375.41 : 42,518.97 = 10,835.67 : x
  2. Step 2: Convert to fraction form
    28,375.41/42,518.97 = 10,835.67/x
  3. Step 3: Cross multiply
    28,375.41x = 42,518.97 × 10,835.67
  4. Step 4: Simplify right side
    28,375.41x = 460,721,527.66
  5. Step 5: Solve for x
    x = 460,721,527.66/28,375.41
  6. Step 6: Final answer
    x = 16,236.65

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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.