Home / 28,854.43-43,277.30-9,130.42

Finding the Fourth Proportional to 28,854.43, 43,277.30 and 9,130.42

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Solution

The fourth proportional to 28,854.43, 43,277.30 and 9,130.42 is: 13,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.43 : 43,277.30 = 9,130.42 : x
  2. Step 2: Convert to fraction form
    28,854.43/43,277.30 = 9,130.42/x
  3. Step 3: Cross multiply
    28,854.43x = 43,277.30 × 9,130.42
  4. Step 4: Simplify right side
    28,854.43x = 395,139,663.43
  5. Step 5: Solve for x
    x = 395,139,663.43/28,854.43
  6. Step 6: Final answer
    x = 13,694.25

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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.