Home / 28,449.06-39,257.37-15,873.54

Finding the Fourth Proportional to 28,449.06, 39,257.37 and 15,873.54

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Solution

The fourth proportional to 28,449.06, 39,257.37 and 15,873.54 is: 21,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.06 : 39,257.37 = 15,873.54 : x
  2. Step 2: Convert to fraction form
    28,449.06/39,257.37 = 15,873.54/x
  3. Step 3: Cross multiply
    28,449.06x = 39,257.37 × 15,873.54
  4. Step 4: Simplify right side
    28,449.06x = 623,153,432.99
  5. Step 5: Solve for x
    x = 623,153,432.99/28,449.06
  6. Step 6: Final answer
    x = 21,904.18

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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.