Home / 26,438.70-39,655.35-8,908.68

Finding the Fourth Proportional to 26,438.70, 39,655.35 and 8,908.68

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Solution

The fourth proportional to 26,438.70, 39,655.35 and 8,908.68 is: 13,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.70 : 39,655.35 = 8,908.68 : x
  2. Step 2: Convert to fraction form
    26,438.70/39,655.35 = 8,908.68/x
  3. Step 3: Cross multiply
    26,438.70x = 39,655.35 × 8,908.68
  4. Step 4: Simplify right side
    26,438.70x = 353,276,823.44
  5. Step 5: Solve for x
    x = 353,276,823.44/26,438.70
  6. Step 6: Final answer
    x = 13,362.11

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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.