Home / 43,108.74-64,642.23-15,028.11

Finding the Fourth Proportional to 43,108.74, 64,642.23 and 15,028.11

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Solution

The fourth proportional to 43,108.74, 64,642.23 and 15,028.11 is: 22,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.74 : 64,642.23 = 15,028.11 : x
  2. Step 2: Convert to fraction form
    43,108.74/64,642.23 = 15,028.11/x
  3. Step 3: Cross multiply
    43,108.74x = 64,642.23 × 15,028.11
  4. Step 4: Simplify right side
    43,108.74x = 971,450,543.09
  5. Step 5: Solve for x
    x = 971,450,543.09/43,108.74
  6. Step 6: Final answer
    x = 22,534.89

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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.