Home / 26,913.77-40,374.76-13,761.70

Finding the Fourth Proportional to 26,913.77, 40,374.76 and 13,761.70

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Solution

The fourth proportional to 26,913.77, 40,374.76 and 13,761.70 is: 20,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.77 : 40,374.76 = 13,761.70 : x
  2. Step 2: Convert to fraction form
    26,913.77/40,374.76 = 13,761.70/x
  3. Step 3: Cross multiply
    26,913.77x = 40,374.76 × 13,761.70
  4. Step 4: Simplify right side
    26,913.77x = 555,625,334.69
  5. Step 5: Solve for x
    x = 555,625,334.69/26,913.77
  6. Step 6: Final answer
    x = 20,644.65

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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.