Home / 25,881.71-35,734.46-19,821.25

Finding the Fourth Proportional to 25,881.71, 35,734.46 and 19,821.25

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Solution

The fourth proportional to 25,881.71, 35,734.46 and 19,821.25 is: 27,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.71 : 35,734.46 = 19,821.25 : x
  2. Step 2: Convert to fraction form
    25,881.71/35,734.46 = 19,821.25/x
  3. Step 3: Cross multiply
    25,881.71x = 35,734.46 × 19,821.25
  4. Step 4: Simplify right side
    25,881.71x = 708,301,665.28
  5. Step 5: Solve for x
    x = 708,301,665.28/25,881.71
  6. Step 6: Final answer
    x = 27,366.88

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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.