Home / 34,855.79-52,274.36-15,129.72

Finding the Fourth Proportional to 34,855.79, 52,274.36 and 15,129.72

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Solution

The fourth proportional to 34,855.79, 52,274.36 and 15,129.72 is: 22,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.79 : 52,274.36 = 15,129.72 : x
  2. Step 2: Convert to fraction form
    34,855.79/52,274.36 = 15,129.72/x
  3. Step 3: Cross multiply
    34,855.79x = 52,274.36 × 15,129.72
  4. Step 4: Simplify right side
    34,855.79x = 790,896,467.80
  5. Step 5: Solve for x
    x = 790,896,467.80/34,855.79
  6. Step 6: Final answer
    x = 22,690.54

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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.