Home / 25,548.70-38,312.11-8,903.81

Finding the Fourth Proportional to 25,548.70, 38,312.11 and 8,903.81

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Solution

The fourth proportional to 25,548.70, 38,312.11 and 8,903.81 is: 13,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.70 : 38,312.11 = 8,903.81 : x
  2. Step 2: Convert to fraction form
    25,548.70/38,312.11 = 8,903.81/x
  3. Step 3: Cross multiply
    25,548.70x = 38,312.11 × 8,903.81
  4. Step 4: Simplify right side
    25,548.70x = 341,123,664.59
  5. Step 5: Solve for x
    x = 341,123,664.59/25,548.70
  6. Step 6: Final answer
    x = 13,351.90

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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.