Home / 25,717.79-35,494.33-15,644.28

Finding the Fourth Proportional to 25,717.79, 35,494.33 and 15,644.28

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Solution

The fourth proportional to 25,717.79, 35,494.33 and 15,644.28 is: 21,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.79 : 35,494.33 = 15,644.28 : x
  2. Step 2: Convert to fraction form
    25,717.79/35,494.33 = 15,644.28/x
  3. Step 3: Cross multiply
    25,717.79x = 35,494.33 × 15,644.28
  4. Step 4: Simplify right side
    25,717.79x = 555,283,187.31
  5. Step 5: Solve for x
    x = 555,283,187.31/25,717.79
  6. Step 6: Final answer
    x = 21,591.40

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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.