Home / 28,042.38-42,051.27-10,499.91

Finding the Fourth Proportional to 28,042.38, 42,051.27 and 10,499.91

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Solution

The fourth proportional to 28,042.38, 42,051.27 and 10,499.91 is: 15,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.38 : 42,051.27 = 10,499.91 : x
  2. Step 2: Convert to fraction form
    28,042.38/42,051.27 = 10,499.91/x
  3. Step 3: Cross multiply
    28,042.38x = 42,051.27 × 10,499.91
  4. Step 4: Simplify right side
    28,042.38x = 441,534,550.39
  5. Step 5: Solve for x
    x = 441,534,550.39/28,042.38
  6. Step 6: Final answer
    x = 15,745.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.