Home / 28,175.03-38,834.30-22,491.56

Finding the Fourth Proportional to 28,175.03, 38,834.30 and 22,491.56

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Solution

The fourth proportional to 28,175.03, 38,834.30 and 22,491.56 is: 31,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.03 : 38,834.30 = 22,491.56 : x
  2. Step 2: Convert to fraction form
    28,175.03/38,834.30 = 22,491.56/x
  3. Step 3: Cross multiply
    28,175.03x = 38,834.30 × 22,491.56
  4. Step 4: Simplify right side
    28,175.03x = 873,443,988.51
  5. Step 5: Solve for x
    x = 873,443,988.51/28,175.03
  6. Step 6: Final answer
    x = 31,000.64

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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.