Home / 36,515.72-50,387.28-20,600.84

Finding the Fourth Proportional to 36,515.72, 50,387.28 and 20,600.84

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Solution

The fourth proportional to 36,515.72, 50,387.28 and 20,600.84 is: 28,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.72 : 50,387.28 = 20,600.84 : x
  2. Step 2: Convert to fraction form
    36,515.72/50,387.28 = 20,600.84/x
  3. Step 3: Cross multiply
    36,515.72x = 50,387.28 × 20,600.84
  4. Step 4: Simplify right side
    36,515.72x = 1,038,020,293.32
  5. Step 5: Solve for x
    x = 1,038,020,293.32/36,515.72
  6. Step 6: Final answer
    x = 28,426.67

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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.