Home / 20,023.02-27,630.54-11,069.99

Finding the Fourth Proportional to 20,023.02, 27,630.54 and 11,069.99

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Solution

The fourth proportional to 20,023.02, 27,630.54 and 11,069.99 is: 15,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.02 : 27,630.54 = 11,069.99 : x
  2. Step 2: Convert to fraction form
    20,023.02/27,630.54 = 11,069.99/x
  3. Step 3: Cross multiply
    20,023.02x = 27,630.54 × 11,069.99
  4. Step 4: Simplify right side
    20,023.02x = 305,869,663.34
  5. Step 5: Solve for x
    x = 305,869,663.34/20,023.02
  6. Step 6: Final answer
    x = 15,275.90

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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.