Home / 25,461.56-38,185.05-8,817.28

Finding the Fourth Proportional to 25,461.56, 38,185.05 and 8,817.28

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Solution

The fourth proportional to 25,461.56, 38,185.05 and 8,817.28 is: 13,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.56 : 38,185.05 = 8,817.28 : x
  2. Step 2: Convert to fraction form
    25,461.56/38,185.05 = 8,817.28/x
  3. Step 3: Cross multiply
    25,461.56x = 38,185.05 × 8,817.28
  4. Step 4: Simplify right side
    25,461.56x = 336,688,086.74
  5. Step 5: Solve for x
    x = 336,688,086.74/25,461.56
  6. Step 6: Final answer
    x = 13,223.39

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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.