Home / 28,743.19-39,659.63-16,804.22

Finding the Fourth Proportional to 28,743.19, 39,659.63 and 16,804.22

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Solution

The fourth proportional to 28,743.19, 39,659.63 and 16,804.22 is: 23,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.19 : 39,659.63 = 16,804.22 : x
  2. Step 2: Convert to fraction form
    28,743.19/39,659.63 = 16,804.22/x
  3. Step 3: Cross multiply
    28,743.19x = 39,659.63 × 16,804.22
  4. Step 4: Simplify right side
    28,743.19x = 666,448,865.32
  5. Step 5: Solve for x
    x = 666,448,865.32/28,743.19
  6. Step 6: Final answer
    x = 23,186.32

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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.