Home / 25,388.06-35,039.39-15,829.49

Finding the Fourth Proportional to 25,388.06, 35,039.39 and 15,829.49

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Solution

The fourth proportional to 25,388.06, 35,039.39 and 15,829.49 is: 21,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.06 : 35,039.39 = 15,829.49 : x
  2. Step 2: Convert to fraction form
    25,388.06/35,039.39 = 15,829.49/x
  3. Step 3: Cross multiply
    25,388.06x = 35,039.39 × 15,829.49
  4. Step 4: Simplify right side
    25,388.06x = 554,655,682.06
  5. Step 5: Solve for x
    x = 554,655,682.06/25,388.06
  6. Step 6: Final answer
    x = 21,847.11

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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.