Home / 25,708.84-35,464.46-15,640.36

Finding the Fourth Proportional to 25,708.84, 35,464.46 and 15,640.36

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Solution

The fourth proportional to 25,708.84, 35,464.46 and 15,640.36 is: 21,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.84 : 35,464.46 = 15,640.36 : x
  2. Step 2: Convert to fraction form
    25,708.84/35,464.46 = 15,640.36/x
  3. Step 3: Cross multiply
    25,708.84x = 35,464.46 × 15,640.36
  4. Step 4: Simplify right side
    25,708.84x = 554,676,921.61
  5. Step 5: Solve for x
    x = 554,676,921.61/25,708.84
  6. Step 6: Final answer
    x = 21,575.34

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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.