Home / 28,664.60-42,932.10-17,000.60

Finding the Fourth Proportional to 28,664.60, 42,932.10 and 17,000.60

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Solution

The fourth proportional to 28,664.60, 42,932.10 and 17,000.60 is: 25,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.60 : 42,932.10 = 17,000.60 : x
  2. Step 2: Convert to fraction form
    28,664.60/42,932.10 = 17,000.60/x
  3. Step 3: Cross multiply
    28,664.60x = 42,932.10 × 17,000.60
  4. Step 4: Simplify right side
    28,664.60x = 729,871,459.26
  5. Step 5: Solve for x
    x = 729,871,459.26/28,664.60
  6. Step 6: Final answer
    x = 25,462.47

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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.