Home / 28,218.11-42,327.39-22,946.99

Finding the Fourth Proportional to 28,218.11, 42,327.39 and 22,946.99

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Solution

The fourth proportional to 28,218.11, 42,327.39 and 22,946.99 is: 34,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218.11 : 42,327.39 = 22,946.99 : x
  2. Step 2: Convert to fraction form
    28,218.11/42,327.39 = 22,946.99/x
  3. Step 3: Cross multiply
    28,218.11x = 42,327.39 × 22,946.99
  4. Step 4: Simplify right side
    28,218.11x = 971,285,983.42
  5. Step 5: Solve for x
    x = 971,285,983.42/28,218.11
  6. Step 6: Final answer
    x = 34,420.67

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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.