Home / 28,342.56-42,702.94-25,677.48

Finding the Fourth Proportional to 28,342.56, 42,702.94 and 25,677.48

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Solution

The fourth proportional to 28,342.56, 42,702.94 and 25,677.48 is: 38,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.56 : 42,702.94 = 25,677.48 : x
  2. Step 2: Convert to fraction form
    28,342.56/42,702.94 = 25,677.48/x
  3. Step 3: Cross multiply
    28,342.56x = 42,702.94 × 25,677.48
  4. Step 4: Simplify right side
    28,342.56x = 1,096,503,887.79
  5. Step 5: Solve for x
    x = 1,096,503,887.79/28,342.56
  6. Step 6: Final answer
    x = 38,687.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.