Home / 28,572.98-39,433.08-16,635.60

Finding the Fourth Proportional to 28,572.98, 39,433.08 and 16,635.60

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Solution

The fourth proportional to 28,572.98, 39,433.08 and 16,635.60 is: 22,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.98 : 39,433.08 = 16,635.60 : x
  2. Step 2: Convert to fraction form
    28,572.98/39,433.08 = 16,635.60/x
  3. Step 3: Cross multiply
    28,572.98x = 39,433.08 × 16,635.60
  4. Step 4: Simplify right side
    28,572.98x = 655,992,945.65
  5. Step 5: Solve for x
    x = 655,992,945.65/28,572.98
  6. Step 6: Final answer
    x = 22,958.51

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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.