Home / 26,438.32-39,649.38-8,903.44

Finding the Fourth Proportional to 26,438.32, 39,649.38 and 8,903.44

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Solution

The fourth proportional to 26,438.32, 39,649.38 and 8,903.44 is: 13,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.32 : 39,649.38 = 8,903.44 : x
  2. Step 2: Convert to fraction form
    26,438.32/39,649.38 = 8,903.44/x
  3. Step 3: Cross multiply
    26,438.32x = 39,649.38 × 8,903.44
  4. Step 4: Simplify right side
    26,438.32x = 353,015,875.87
  5. Step 5: Solve for x
    x = 353,015,875.87/26,438.32
  6. Step 6: Final answer
    x = 13,352.43

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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.