Home / 28,677.55-39,568.09-16,734.07

Finding the Fourth Proportional to 28,677.55, 39,568.09 and 16,734.07

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Solution

The fourth proportional to 28,677.55, 39,568.09 and 16,734.07 is: 23,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.55 : 39,568.09 = 16,734.07 : x
  2. Step 2: Convert to fraction form
    28,677.55/39,568.09 = 16,734.07/x
  3. Step 3: Cross multiply
    28,677.55x = 39,568.09 × 16,734.07
  4. Step 4: Simplify right side
    28,677.55x = 662,135,187.83
  5. Step 5: Solve for x
    x = 662,135,187.83/28,677.55
  6. Step 6: Final answer
    x = 23,088.97

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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.