Home / 28,270.06-42,405.76-8,548.54

Finding the Fourth Proportional to 28,270.06, 42,405.76 and 8,548.54

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Solution

The fourth proportional to 28,270.06, 42,405.76 and 8,548.54 is: 12,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.06 : 42,405.76 = 8,548.54 : x
  2. Step 2: Convert to fraction form
    28,270.06/42,405.76 = 8,548.54/x
  3. Step 3: Cross multiply
    28,270.06x = 42,405.76 × 8,548.54
  4. Step 4: Simplify right side
    28,270.06x = 362,507,335.59
  5. Step 5: Solve for x
    x = 362,507,335.59/28,270.06
  6. Step 6: Final answer
    x = 12,823.01

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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.