Home / 38,589.60-57,885.58-13,288.84

Finding the Fourth Proportional to 38,589.60, 57,885.58 and 13,288.84

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Solution

The fourth proportional to 38,589.60, 57,885.58 and 13,288.84 is: 19,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.60 : 57,885.58 = 13,288.84 : x
  2. Step 2: Convert to fraction form
    38,589.60/57,885.58 = 13,288.84/x
  3. Step 3: Cross multiply
    38,589.60x = 57,885.58 × 13,288.84
  4. Step 4: Simplify right side
    38,589.60x = 769,232,210.93
  5. Step 5: Solve for x
    x = 769,232,210.93/38,589.60
  6. Step 6: Final answer
    x = 19,933.67

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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.