Home / 28,039.86-42,058.14-10,508.22

Finding the Fourth Proportional to 28,039.86, 42,058.14 and 10,508.22

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Solution

The fourth proportional to 28,039.86, 42,058.14 and 10,508.22 is: 15,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.86 : 42,058.14 = 10,508.22 : x
  2. Step 2: Convert to fraction form
    28,039.86/42,058.14 = 10,508.22/x
  3. Step 3: Cross multiply
    28,039.86x = 42,058.14 × 10,508.22
  4. Step 4: Simplify right side
    28,039.86x = 441,956,187.91
  5. Step 5: Solve for x
    x = 441,956,187.91/28,039.86
  6. Step 6: Final answer
    x = 15,761.71

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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.