Home / 34,175.80-51,263.70-28,538.20

Finding the Fourth Proportional to 34,175.80, 51,263.70 and 28,538.20

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Solution

The fourth proportional to 34,175.80, 51,263.70 and 28,538.20 is: 42,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.80 : 51,263.70 = 28,538.20 : x
  2. Step 2: Convert to fraction form
    34,175.80/51,263.70 = 28,538.20/x
  3. Step 3: Cross multiply
    34,175.80x = 51,263.70 × 28,538.20
  4. Step 4: Simplify right side
    34,175.80x = 1,462,973,723.34
  5. Step 5: Solve for x
    x = 1,462,973,723.34/34,175.80
  6. Step 6: Final answer
    x = 42,807.30

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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.