Home / 28,268.79-42,408.08-9,548.97

Finding the Fourth Proportional to 28,268.79, 42,408.08 and 9,548.97

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Solution

The fourth proportional to 28,268.79, 42,408.08 and 9,548.97 is: 14,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.79 : 42,408.08 = 9,548.97 : x
  2. Step 2: Convert to fraction form
    28,268.79/42,408.08 = 9,548.97/x
  3. Step 3: Cross multiply
    28,268.79x = 42,408.08 × 9,548.97
  4. Step 4: Simplify right side
    28,268.79x = 404,953,247.76
  5. Step 5: Solve for x
    x = 404,953,247.76/28,268.79
  6. Step 6: Final answer
    x = 14,325.10

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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.