Home / 28,873.13-43,326.97-12,457.13

Finding the Fourth Proportional to 28,873.13, 43,326.97 and 12,457.13

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Solution

The fourth proportional to 28,873.13, 43,326.97 and 12,457.13 is: 18,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.13 : 43,326.97 = 12,457.13 : x
  2. Step 2: Convert to fraction form
    28,873.13/43,326.97 = 12,457.13/x
  3. Step 3: Cross multiply
    28,873.13x = 43,326.97 × 12,457.13
  4. Step 4: Simplify right side
    28,873.13x = 539,729,450.02
  5. Step 5: Solve for x
    x = 539,729,450.02/28,873.13
  6. Step 6: Final answer
    x = 18,693.14

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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.