Home / 28,801.26-39,714.66-18,042.30

Finding the Fourth Proportional to 28,801.26, 39,714.66 and 18,042.30

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Solution

The fourth proportional to 28,801.26, 39,714.66 and 18,042.30 is: 24,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.26 : 39,714.66 = 18,042.30 : x
  2. Step 2: Convert to fraction form
    28,801.26/39,714.66 = 18,042.30/x
  3. Step 3: Cross multiply
    28,801.26x = 39,714.66 × 18,042.30
  4. Step 4: Simplify right side
    28,801.26x = 716,543,810.12
  5. Step 5: Solve for x
    x = 716,543,810.12/28,801.26
  6. Step 6: Final answer
    x = 24,878.90

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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.