Home / 28,257.86-38,897.92-24,427.68

Finding the Fourth Proportional to 28,257.86, 38,897.92 and 24,427.68

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Solution

The fourth proportional to 28,257.86, 38,897.92 and 24,427.68 is: 33,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.86 : 38,897.92 = 24,427.68 : x
  2. Step 2: Convert to fraction form
    28,257.86/38,897.92 = 24,427.68/x
  3. Step 3: Cross multiply
    28,257.86x = 38,897.92 × 24,427.68
  4. Step 4: Simplify right side
    28,257.86x = 950,185,827.09
  5. Step 5: Solve for x
    x = 950,185,827.09/28,257.86
  6. Step 6: Final answer
    x = 33,625.54

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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.