Home / 28,740.50-39,661.90-16,165.52

Finding the Fourth Proportional to 28,740.50, 39,661.90 and 16,165.52

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Solution

The fourth proportional to 28,740.50, 39,661.90 and 16,165.52 is: 22,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.50 : 39,661.90 = 16,165.52 : x
  2. Step 2: Convert to fraction form
    28,740.50/39,661.90 = 16,165.52/x
  3. Step 3: Cross multiply
    28,740.50x = 39,661.90 × 16,165.52
  4. Step 4: Simplify right side
    28,740.50x = 641,155,237.69
  5. Step 5: Solve for x
    x = 641,155,237.69/28,740.50
  6. Step 6: Final answer
    x = 22,308.42

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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.