Home / 26,134.41-39,150.58-20,880.35

Finding the Fourth Proportional to 26,134.41, 39,150.58 and 20,880.35

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Solution

The fourth proportional to 26,134.41, 39,150.58 and 20,880.35 is: 31,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.41 : 39,150.58 = 20,880.35 : x
  2. Step 2: Convert to fraction form
    26,134.41/39,150.58 = 20,880.35/x
  3. Step 3: Cross multiply
    26,134.41x = 39,150.58 × 20,880.35
  4. Step 4: Simplify right side
    26,134.41x = 817,477,813.10
  5. Step 5: Solve for x
    x = 817,477,813.10/26,134.41
  6. Step 6: Final answer
    x = 31,279.75

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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.