Home / 28,740.75-39,664.68-16,167.93

Finding the Fourth Proportional to 28,740.75, 39,664.68 and 16,167.93

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Solution

The fourth proportional to 28,740.75, 39,664.68 and 16,167.93 is: 22,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.75 : 39,664.68 = 16,167.93 : x
  2. Step 2: Convert to fraction form
    28,740.75/39,664.68 = 16,167.93/x
  3. Step 3: Cross multiply
    28,740.75x = 39,664.68 × 16,167.93
  4. Step 4: Simplify right side
    28,740.75x = 641,295,769.71
  5. Step 5: Solve for x
    x = 641,295,769.71/28,740.75
  6. Step 6: Final answer
    x = 22,313.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.