Home / 28,971.98-43,457.96-15,817.17

Finding the Fourth Proportional to 28,971.98, 43,457.96 and 15,817.17

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Solution

The fourth proportional to 28,971.98, 43,457.96 and 15,817.17 is: 23,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.98 : 43,457.96 = 15,817.17 : x
  2. Step 2: Convert to fraction form
    28,971.98/43,457.96 = 15,817.17/x
  3. Step 3: Cross multiply
    28,971.98x = 43,457.96 × 15,817.17
  4. Step 4: Simplify right side
    28,971.98x = 687,381,941.17
  5. Step 5: Solve for x
    x = 687,381,941.17/28,971.98
  6. Step 6: Final answer
    x = 23,725.75

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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.