Home / 26,468.88-39,703.41-8,938.86

Finding the Fourth Proportional to 26,468.88, 39,703.41 and 8,938.86

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Solution

The fourth proportional to 26,468.88, 39,703.41 and 8,938.86 is: 13,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,468.88 : 39,703.41 = 8,938.86 : x
  2. Step 2: Convert to fraction form
    26,468.88/39,703.41 = 8,938.86/x
  3. Step 3: Cross multiply
    26,468.88x = 39,703.41 × 8,938.86
  4. Step 4: Simplify right side
    26,468.88x = 354,903,223.51
  5. Step 5: Solve for x
    x = 354,903,223.51/26,468.88
  6. Step 6: Final answer
    x = 13,408.32

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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.