Home / 26,811.50-36,999.87-14,876.78

Finding the Fourth Proportional to 26,811.50, 36,999.87 and 14,876.78

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Solution

The fourth proportional to 26,811.50, 36,999.87 and 14,876.78 is: 20,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.50 : 36,999.87 = 14,876.78 : x
  2. Step 2: Convert to fraction form
    26,811.50/36,999.87 = 14,876.78/x
  3. Step 3: Cross multiply
    26,811.50x = 36,999.87 × 14,876.78
  4. Step 4: Simplify right side
    26,811.50x = 550,438,926.02
  5. Step 5: Solve for x
    x = 550,438,926.02/26,811.50
  6. Step 6: Final answer
    x = 20,529.96

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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.