Home / 26,869.20-40,271.40-13,714.80

Finding the Fourth Proportional to 26,869.20, 40,271.40 and 13,714.80

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Solution

The fourth proportional to 26,869.20, 40,271.40 and 13,714.80 is: 20,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.20 : 40,271.40 = 13,714.80 : x
  2. Step 2: Convert to fraction form
    26,869.20/40,271.40 = 13,714.80/x
  3. Step 3: Cross multiply
    26,869.20x = 40,271.40 × 13,714.80
  4. Step 4: Simplify right side
    26,869.20x = 552,314,196.72
  5. Step 5: Solve for x
    x = 552,314,196.72/26,869.20
  6. Step 6: Final answer
    x = 20,555.66

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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.