Home / 25,439.32-35,101.73-15,361.00

Finding the Fourth Proportional to 25,439.32, 35,101.73 and 15,361.00

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Solution

The fourth proportional to 25,439.32, 35,101.73 and 15,361.00 is: 21,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.32 : 35,101.73 = 15,361.00 : x
  2. Step 2: Convert to fraction form
    25,439.32/35,101.73 = 15,361.00/x
  3. Step 3: Cross multiply
    25,439.32x = 35,101.73 × 15,361.00
  4. Step 4: Simplify right side
    25,439.32x = 539,197,828.78
  5. Step 5: Solve for x
    x = 539,197,828.78/25,439.32
  6. Step 6: Final answer
    x = 21,195.45

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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.