Home / 28,934.55-43,401.51-21,957.42

Finding the Fourth Proportional to 28,934.55, 43,401.51 and 21,957.42

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Solution

The fourth proportional to 28,934.55, 43,401.51 and 21,957.42 is: 32,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.55 : 43,401.51 = 21,957.42 : x
  2. Step 2: Convert to fraction form
    28,934.55/43,401.51 = 21,957.42/x
  3. Step 3: Cross multiply
    28,934.55x = 43,401.51 × 21,957.42
  4. Step 4: Simplify right side
    28,934.55x = 952,985,073.92
  5. Step 5: Solve for x
    x = 952,985,073.92/28,934.55
  6. Step 6: Final answer
    x = 32,935.89

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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.