Home / 28,353.85-42,534.25-9,636.97

Finding the Fourth Proportional to 28,353.85, 42,534.25 and 9,636.97

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Solution

The fourth proportional to 28,353.85, 42,534.25 and 9,636.97 is: 14,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.85 : 42,534.25 = 9,636.97 : x
  2. Step 2: Convert to fraction form
    28,353.85/42,534.25 = 9,636.97/x
  3. Step 3: Cross multiply
    28,353.85x = 42,534.25 × 9,636.97
  4. Step 4: Simplify right side
    28,353.85x = 409,901,291.22
  5. Step 5: Solve for x
    x = 409,901,291.22/28,353.85
  6. Step 6: Final answer
    x = 14,456.64

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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.