Home / 26,638.67-36,761.58-14,702.78

Finding the Fourth Proportional to 26,638.67, 36,761.58 and 14,702.78

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Solution

The fourth proportional to 26,638.67, 36,761.58 and 14,702.78 is: 20,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.67 : 36,761.58 = 14,702.78 : x
  2. Step 2: Convert to fraction form
    26,638.67/36,761.58 = 14,702.78/x
  3. Step 3: Cross multiply
    26,638.67x = 36,761.58 × 14,702.78
  4. Step 4: Simplify right side
    26,638.67x = 540,497,515.10
  5. Step 5: Solve for x
    x = 540,497,515.10/26,638.67
  6. Step 6: Final answer
    x = 20,289.96

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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.