Home / 28,996.99-40,035.12-22,270.60

Finding the Fourth Proportional to 28,996.99, 40,035.12 and 22,270.60

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Solution

The fourth proportional to 28,996.99, 40,035.12 and 22,270.60 is: 30,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.99 : 40,035.12 = 22,270.60 : x
  2. Step 2: Convert to fraction form
    28,996.99/40,035.12 = 22,270.60/x
  3. Step 3: Cross multiply
    28,996.99x = 40,035.12 × 22,270.60
  4. Step 4: Simplify right side
    28,996.99x = 891,606,143.47
  5. Step 5: Solve for x
    x = 891,606,143.47/28,996.99
  6. Step 6: Final answer
    x = 30,748.23

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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.