Home / 26,591.76-39,878.73-13,435.74

Finding the Fourth Proportional to 26,591.76, 39,878.73 and 13,435.74

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Solution

The fourth proportional to 26,591.76, 39,878.73 and 13,435.74 is: 20,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.76 : 39,878.73 = 13,435.74 : x
  2. Step 2: Convert to fraction form
    26,591.76/39,878.73 = 13,435.74/x
  3. Step 3: Cross multiply
    26,591.76x = 39,878.73 × 13,435.74
  4. Step 4: Simplify right side
    26,591.76x = 535,800,247.81
  5. Step 5: Solve for x
    x = 535,800,247.81/26,591.76
  6. Step 6: Final answer
    x = 20,149.11

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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.