Home / 27,643.70-41,457.45-9,872.30

Finding the Fourth Proportional to 27,643.70, 41,457.45 and 9,872.30

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Solution

The fourth proportional to 27,643.70, 41,457.45 and 9,872.30 is: 14,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.70 : 41,457.45 = 9,872.30 : x
  2. Step 2: Convert to fraction form
    27,643.70/41,457.45 = 9,872.30/x
  3. Step 3: Cross multiply
    27,643.70x = 41,457.45 × 9,872.30
  4. Step 4: Simplify right side
    27,643.70x = 409,280,383.64
  5. Step 5: Solve for x
    x = 409,280,383.64/27,643.70
  6. Step 6: Final answer
    x = 14,805.56

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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.