Home / 28,842.92-43,277.69-11,317.40

Finding the Fourth Proportional to 28,842.92, 43,277.69 and 11,317.40

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Solution

The fourth proportional to 28,842.92, 43,277.69 and 11,317.40 is: 16,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.92 : 43,277.69 = 11,317.40 : x
  2. Step 2: Convert to fraction form
    28,842.92/43,277.69 = 11,317.40/x
  3. Step 3: Cross multiply
    28,842.92x = 43,277.69 × 11,317.40
  4. Step 4: Simplify right side
    28,842.92x = 489,790,655.83
  5. Step 5: Solve for x
    x = 489,790,655.83/28,842.92
  6. Step 6: Final answer
    x = 16,981.32

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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.