Home / 52,736.40-72,777.42-28,864.08

Finding the Fourth Proportional to 52,736.40, 72,777.42 and 28,864.08

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Solution

The fourth proportional to 52,736.40, 72,777.42 and 28,864.08 is: 39,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.40 : 72,777.42 = 28,864.08 : x
  2. Step 2: Convert to fraction form
    52,736.40/72,777.42 = 28,864.08/x
  3. Step 3: Cross multiply
    52,736.40x = 72,777.42 × 28,864.08
  4. Step 4: Simplify right side
    52,736.40x = 2,100,653,273.07
  5. Step 5: Solve for x
    x = 2,100,653,273.07/52,736.40
  6. Step 6: Final answer
    x = 39,833.08

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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.