Home / 28,820.02-43,193.66-15,459.88

Finding the Fourth Proportional to 28,820.02, 43,193.66 and 15,459.88

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Solution

The fourth proportional to 28,820.02, 43,193.66 and 15,459.88 is: 23,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.02 : 43,193.66 = 15,459.88 : x
  2. Step 2: Convert to fraction form
    28,820.02/43,193.66 = 15,459.88/x
  3. Step 3: Cross multiply
    28,820.02x = 43,193.66 × 15,459.88
  4. Step 4: Simplify right side
    28,820.02x = 667,768,800.36
  5. Step 5: Solve for x
    x = 667,768,800.36/28,820.02
  6. Step 6: Final answer
    x = 23,170.31

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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.