Home / 43,315.06-64,989.21-15,238.03

Finding the Fourth Proportional to 43,315.06, 64,989.21 and 15,238.03

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Solution

The fourth proportional to 43,315.06, 64,989.21 and 15,238.03 is: 22,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.06 : 64,989.21 = 15,238.03 : x
  2. Step 2: Convert to fraction form
    43,315.06/64,989.21 = 15,238.03/x
  3. Step 3: Cross multiply
    43,315.06x = 64,989.21 × 15,238.03
  4. Step 4: Simplify right side
    43,315.06x = 990,307,531.66
  5. Step 5: Solve for x
    x = 990,307,531.66/43,315.06
  6. Step 6: Final answer
    x = 22,862.89

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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.