Home / 52,740.49-72,782.56-28,866.65

Finding the Fourth Proportional to 52,740.49, 72,782.56 and 28,866.65

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Solution

The fourth proportional to 52,740.49, 72,782.56 and 28,866.65 is: 39,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.49 : 72,782.56 = 28,866.65 : x
  2. Step 2: Convert to fraction form
    52,740.49/72,782.56 = 28,866.65/x
  3. Step 3: Cross multiply
    52,740.49x = 72,782.56 × 28,866.65
  4. Step 4: Simplify right side
    52,740.49x = 2,100,989,012.49
  5. Step 5: Solve for x
    x = 2,100,989,012.49/52,740.49
  6. Step 6: Final answer
    x = 39,836.36

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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.