Home / 28,449.42-42,653.06-13,644.24

Finding the Fourth Proportional to 28,449.42, 42,653.06 and 13,644.24

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Solution

The fourth proportional to 28,449.42, 42,653.06 and 13,644.24 is: 20,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.42 : 42,653.06 = 13,644.24 : x
  2. Step 2: Convert to fraction form
    28,449.42/42,653.06 = 13,644.24/x
  3. Step 3: Cross multiply
    28,449.42x = 42,653.06 × 13,644.24
  4. Step 4: Simplify right side
    28,449.42x = 581,968,587.37
  5. Step 5: Solve for x
    x = 581,968,587.37/28,449.42
  6. Step 6: Final answer
    x = 20,456.25

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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.