Home / 28,222.38-38,950.92-16,289.82

Finding the Fourth Proportional to 28,222.38, 38,950.92 and 16,289.82

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Solution

The fourth proportional to 28,222.38, 38,950.92 and 16,289.82 is: 22,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.38 : 38,950.92 = 16,289.82 : x
  2. Step 2: Convert to fraction form
    28,222.38/38,950.92 = 16,289.82/x
  3. Step 3: Cross multiply
    28,222.38x = 38,950.92 × 16,289.82
  4. Step 4: Simplify right side
    28,222.38x = 634,503,475.63
  5. Step 5: Solve for x
    x = 634,503,475.63/28,222.38
  6. Step 6: Final answer
    x = 22,482.28

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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.