Home / 25,955.52-35,835.72-19,976.64

Finding the Fourth Proportional to 25,955.52, 35,835.72 and 19,976.64

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Solution

The fourth proportional to 25,955.52, 35,835.72 and 19,976.64 is: 27,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.52 : 35,835.72 = 19,976.64 : x
  2. Step 2: Convert to fraction form
    25,955.52/35,835.72 = 19,976.64/x
  3. Step 3: Cross multiply
    25,955.52x = 35,835.72 × 19,976.64
  4. Step 4: Simplify right side
    25,955.52x = 715,877,277.58
  5. Step 5: Solve for x
    x = 715,877,277.58/25,955.52
  6. Step 6: Final answer
    x = 27,580.93

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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.