Home / 25,638.58-38,457.63-8,994.70

Finding the Fourth Proportional to 25,638.58, 38,457.63 and 8,994.70

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Solution

The fourth proportional to 25,638.58, 38,457.63 and 8,994.70 is: 13,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.58 : 38,457.63 = 8,994.70 : x
  2. Step 2: Convert to fraction form
    25,638.58/38,457.63 = 8,994.70/x
  3. Step 3: Cross multiply
    25,638.58x = 38,457.63 × 8,994.70
  4. Step 4: Simplify right side
    25,638.58x = 345,914,844.56
  5. Step 5: Solve for x
    x = 345,914,844.56/25,638.58
  6. Step 6: Final answer
    x = 13,491.97

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1.5x scale

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.