Home / 28,743.09-39,665.45-16,804.04

Finding the Fourth Proportional to 28,743.09, 39,665.45 and 16,804.04

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Solution

The fourth proportional to 28,743.09, 39,665.45 and 16,804.04 is: 23,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.09 : 39,665.45 = 16,804.04 : x
  2. Step 2: Convert to fraction form
    28,743.09/39,665.45 = 16,804.04/x
  3. Step 3: Cross multiply
    28,743.09x = 39,665.45 × 16,804.04
  4. Step 4: Simplify right side
    28,743.09x = 666,539,526.07
  5. Step 5: Solve for x
    x = 666,539,526.07/28,743.09
  6. Step 6: Final answer
    x = 23,189.56

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1.5x scale

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.