Home / 39,315.79-54,273.68-25,887.61

Finding the Fourth Proportional to 39,315.79, 54,273.68 and 25,887.61

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Solution

The fourth proportional to 39,315.79, 54,273.68 and 25,887.61 is: 35,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.79 : 54,273.68 = 25,887.61 : x
  2. Step 2: Convert to fraction form
    39,315.79/54,273.68 = 25,887.61/x
  3. Step 3: Cross multiply
    39,315.79x = 54,273.68 × 25,887.61
  4. Step 4: Simplify right side
    39,315.79x = 1,405,015,861.10
  5. Step 5: Solve for x
    x = 1,405,015,861.10/39,315.79
  6. Step 6: Final answer
    x = 35,736.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.