Home / 28,989.49-43,488.34-9,263.44

Finding the Fourth Proportional to 28,989.49, 43,488.34 and 9,263.44

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Solution

The fourth proportional to 28,989.49, 43,488.34 and 9,263.44 is: 13,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.49 : 43,488.34 = 9,263.44 : x
  2. Step 2: Convert to fraction form
    28,989.49/43,488.34 = 9,263.44/x
  3. Step 3: Cross multiply
    28,989.49x = 43,488.34 × 9,263.44
  4. Step 4: Simplify right side
    28,989.49x = 402,851,387.69
  5. Step 5: Solve for x
    x = 402,851,387.69/28,989.49
  6. Step 6: Final answer
    x = 13,896.46

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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.