Home / 28,159.14-38,868.26-16,230.42

Finding the Fourth Proportional to 28,159.14, 38,868.26 and 16,230.42

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Solution

The fourth proportional to 28,159.14, 38,868.26 and 16,230.42 is: 22,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.14 : 38,868.26 = 16,230.42 : x
  2. Step 2: Convert to fraction form
    28,159.14/38,868.26 = 16,230.42/x
  3. Step 3: Cross multiply
    28,159.14x = 38,868.26 × 16,230.42
  4. Step 4: Simplify right side
    28,159.14x = 630,848,103.32
  5. Step 5: Solve for x
    x = 630,848,103.32/28,159.14
  6. Step 6: Final answer
    x = 22,402.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.