Home / 26,611.27-36,722.29-15,272.89

Finding the Fourth Proportional to 26,611.27, 36,722.29 and 15,272.89

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Solution

The fourth proportional to 26,611.27, 36,722.29 and 15,272.89 is: 21,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.27 : 36,722.29 = 15,272.89 : x
  2. Step 2: Convert to fraction form
    26,611.27/36,722.29 = 15,272.89/x
  3. Step 3: Cross multiply
    26,611.27x = 36,722.29 × 15,272.89
  4. Step 4: Simplify right side
    26,611.27x = 560,855,495.72
  5. Step 5: Solve for x
    x = 560,855,495.72/26,611.27
  6. Step 6: Final answer
    x = 21,075.86

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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.