Home / 28,449.23-42,675.26-9,728.51

Finding the Fourth Proportional to 28,449.23, 42,675.26 and 9,728.51

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Solution

The fourth proportional to 28,449.23, 42,675.26 and 9,728.51 is: 14,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.23 : 42,675.26 = 9,728.51 : x
  2. Step 2: Convert to fraction form
    28,449.23/42,675.26 = 9,728.51/x
  3. Step 3: Cross multiply
    28,449.23x = 42,675.26 × 9,728.51
  4. Step 4: Simplify right side
    28,449.23x = 415,166,431.64
  5. Step 5: Solve for x
    x = 415,166,431.64/28,449.23
  6. Step 6: Final answer
    x = 14,593.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.