Home / 28,632.39-42,952.68-8,912.94

Finding the Fourth Proportional to 28,632.39, 42,952.68 and 8,912.94

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Solution

The fourth proportional to 28,632.39, 42,952.68 and 8,912.94 is: 13,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.39 : 42,952.68 = 8,912.94 : x
  2. Step 2: Convert to fraction form
    28,632.39/42,952.68 = 8,912.94/x
  3. Step 3: Cross multiply
    28,632.39x = 42,952.68 × 8,912.94
  4. Step 4: Simplify right side
    28,632.39x = 382,834,659.68
  5. Step 5: Solve for x
    x = 382,834,659.68/28,632.39
  6. Step 6: Final answer
    x = 13,370.68

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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.