Home / 26,139.10-36,064-14,806.79

Finding the Fourth Proportional to 26,139.10, 36,064 and 14,806.79

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Solution

The fourth proportional to 26,139.10, 36,064 and 14,806.79 is: 20,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.10 : 36,064 = 14,806.79 : x
  2. Step 2: Convert to fraction form
    26,139.10/36,064 = 14,806.79/x
  3. Step 3: Cross multiply
    26,139.10x = 36,064 × 14,806.79
  4. Step 4: Simplify right side
    26,139.10x = 533,992,074.56
  5. Step 5: Solve for x
    x = 533,992,074.56/26,139.10
  6. Step 6: Final answer
    x = 20,428.86

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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.