Home / 28,968.30-43,452.45-18,600.30

Finding the Fourth Proportional to 28,968.30, 43,452.45 and 18,600.30

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Solution

The fourth proportional to 28,968.30, 43,452.45 and 18,600.30 is: 27,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.30 : 43,452.45 = 18,600.30 : x
  2. Step 2: Convert to fraction form
    28,968.30/43,452.45 = 18,600.30/x
  3. Step 3: Cross multiply
    28,968.30x = 43,452.45 × 18,600.30
  4. Step 4: Simplify right side
    28,968.30x = 808,228,605.74
  5. Step 5: Solve for x
    x = 808,228,605.74/28,968.30
  6. Step 6: Final answer
    x = 27,900.45

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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.