Home / 26,440.40-39,659.45-8,910.15

Finding the Fourth Proportional to 26,440.40, 39,659.45 and 8,910.15

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Solution

The fourth proportional to 26,440.40, 39,659.45 and 8,910.15 is: 13,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.40 : 39,659.45 = 8,910.15 : x
  2. Step 2: Convert to fraction form
    26,440.40/39,659.45 = 8,910.15/x
  3. Step 3: Cross multiply
    26,440.40x = 39,659.45 × 8,910.15
  4. Step 4: Simplify right side
    26,440.40x = 353,371,603.87
  5. Step 5: Solve for x
    x = 353,371,603.87/26,440.40
  6. Step 6: Final answer
    x = 13,364.84

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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.