Home / 25,947.64-35,797.12-19,157.90

Finding the Fourth Proportional to 25,947.64, 35,797.12 and 19,157.90

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Solution

The fourth proportional to 25,947.64, 35,797.12 and 19,157.90 is: 26,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.64 : 35,797.12 = 19,157.90 : x
  2. Step 2: Convert to fraction form
    25,947.64/35,797.12 = 19,157.90/x
  3. Step 3: Cross multiply
    25,947.64x = 35,797.12 × 19,157.90
  4. Step 4: Simplify right side
    25,947.64x = 685,797,686.85
  5. Step 5: Solve for x
    x = 685,797,686.85/25,947.64
  6. Step 6: Final answer
    x = 26,430.06

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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.