Home / 28,405.44-42,586.56-15,246.72

Finding the Fourth Proportional to 28,405.44, 42,586.56 and 15,246.72

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Solution

The fourth proportional to 28,405.44, 42,586.56 and 15,246.72 is: 22,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.44 : 42,586.56 = 15,246.72 : x
  2. Step 2: Convert to fraction form
    28,405.44/42,586.56 = 15,246.72/x
  3. Step 3: Cross multiply
    28,405.44x = 42,586.56 × 15,246.72
  4. Step 4: Simplify right side
    28,405.44x = 649,305,356.08
  5. Step 5: Solve for x
    x = 649,305,356.08/28,405.44
  6. Step 6: Final answer
    x = 22,858.49

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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.