Home / 28,675.56-42,967.92-22,117.80

Finding the Fourth Proportional to 28,675.56, 42,967.92 and 22,117.80

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Solution

The fourth proportional to 28,675.56, 42,967.92 and 22,117.80 is: 33,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.56 : 42,967.92 = 22,117.80 : x
  2. Step 2: Convert to fraction form
    28,675.56/42,967.92 = 22,117.80/x
  3. Step 3: Cross multiply
    28,675.56x = 42,967.92 × 22,117.80
  4. Step 4: Simplify right side
    28,675.56x = 950,355,860.98
  5. Step 5: Solve for x
    x = 950,355,860.98/28,675.56
  6. Step 6: Final answer
    x = 33,141.67

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1.5x scale

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.