Home / 28,440.57-39,245.03-16,501.60

Finding the Fourth Proportional to 28,440.57, 39,245.03 and 16,501.60

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Solution

The fourth proportional to 28,440.57, 39,245.03 and 16,501.60 is: 22,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.57 : 39,245.03 = 16,501.60 : x
  2. Step 2: Convert to fraction form
    28,440.57/39,245.03 = 16,501.60/x
  3. Step 3: Cross multiply
    28,440.57x = 39,245.03 × 16,501.60
  4. Step 4: Simplify right side
    28,440.57x = 647,605,751.51
  5. Step 5: Solve for x
    x = 647,605,751.51/28,440.57
  6. Step 6: Final answer
    x = 22,770.49

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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.