Home / 28,335.44-39,080.94-18,265.52

Finding the Fourth Proportional to 28,335.44, 39,080.94 and 18,265.52

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Solution

The fourth proportional to 28,335.44, 39,080.94 and 18,265.52 is: 25,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.44 : 39,080.94 = 18,265.52 : x
  2. Step 2: Convert to fraction form
    28,335.44/39,080.94 = 18,265.52/x
  3. Step 3: Cross multiply
    28,335.44x = 39,080.94 × 18,265.52
  4. Step 4: Simplify right side
    28,335.44x = 713,833,691.19
  5. Step 5: Solve for x
    x = 713,833,691.19/28,335.44
  6. Step 6: Final answer
    x = 25,192.26

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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.