Home / 26,491.35-39,712.32-8,948.91

Finding the Fourth Proportional to 26,491.35, 39,712.32 and 8,948.91

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Solution

The fourth proportional to 26,491.35, 39,712.32 and 8,948.91 is: 13,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.35 : 39,712.32 = 8,948.91 : x
  2. Step 2: Convert to fraction form
    26,491.35/39,712.32 = 8,948.91/x
  3. Step 3: Cross multiply
    26,491.35x = 39,712.32 × 8,948.91
  4. Step 4: Simplify right side
    26,491.35x = 355,381,977.57
  5. Step 5: Solve for x
    x = 355,381,977.57/26,491.35
  6. Step 6: Final answer
    x = 13,415.02

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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.