Home / 28,868.58-43,302.87-9,148.67

Finding the Fourth Proportional to 28,868.58, 43,302.87 and 9,148.67

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Solution

The fourth proportional to 28,868.58, 43,302.87 and 9,148.67 is: 13,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.58 : 43,302.87 = 9,148.67 : x
  2. Step 2: Convert to fraction form
    28,868.58/43,302.87 = 9,148.67/x
  3. Step 3: Cross multiply
    28,868.58x = 43,302.87 × 9,148.67
  4. Step 4: Simplify right side
    28,868.58x = 396,163,667.68
  5. Step 5: Solve for x
    x = 396,163,667.68/28,868.58
  6. Step 6: Final answer
    x = 13,723.01

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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.