Home / 28,207.26-42,313.01-9,487.35

Finding the Fourth Proportional to 28,207.26, 42,313.01 and 9,487.35

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Solution

The fourth proportional to 28,207.26, 42,313.01 and 9,487.35 is: 14,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.26 : 42,313.01 = 9,487.35 : x
  2. Step 2: Convert to fraction form
    28,207.26/42,313.01 = 9,487.35/x
  3. Step 3: Cross multiply
    28,207.26x = 42,313.01 × 9,487.35
  4. Step 4: Simplify right side
    28,207.26x = 401,438,287.99
  5. Step 5: Solve for x
    x = 401,438,287.99/28,207.26
  6. Step 6: Final answer
    x = 14,231.74

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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.