Home / 28,677.56-42,970.92-22,119.80

Finding the Fourth Proportional to 28,677.56, 42,970.92 and 22,119.80

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Solution

The fourth proportional to 28,677.56, 42,970.92 and 22,119.80 is: 33,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.56 : 42,970.92 = 22,119.80 : x
  2. Step 2: Convert to fraction form
    28,677.56/42,970.92 = 22,119.80/x
  3. Step 3: Cross multiply
    28,677.56x = 42,970.92 × 22,119.80
  4. Step 4: Simplify right side
    28,677.56x = 950,508,156.22
  5. Step 5: Solve for x
    x = 950,508,156.22/28,677.56
  6. Step 6: Final answer
    x = 33,144.67

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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.