Home / 28,350.08-42,527.44-8,628.64

Finding the Fourth Proportional to 28,350.08, 42,527.44 and 8,628.64

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Solution

The fourth proportional to 28,350.08, 42,527.44 and 8,628.64 is: 12,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.08 : 42,527.44 = 8,628.64 : x
  2. Step 2: Convert to fraction form
    28,350.08/42,527.44 = 8,628.64/x
  3. Step 3: Cross multiply
    28,350.08x = 42,527.44 × 8,628.64
  4. Step 4: Simplify right side
    28,350.08x = 366,953,969.88
  5. Step 5: Solve for x
    x = 366,953,969.88/28,350.08
  6. Step 6: Final answer
    x = 12,943.67

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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.