Home / 26,334.20-39,386.10-20,113.40

Finding the Fourth Proportional to 26,334.20, 39,386.10 and 20,113.40

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Solution

The fourth proportional to 26,334.20, 39,386.10 and 20,113.40 is: 30,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334.20 : 39,386.10 = 20,113.40 : x
  2. Step 2: Convert to fraction form
    26,334.20/39,386.10 = 20,113.40/x
  3. Step 3: Cross multiply
    26,334.20x = 39,386.10 × 20,113.40
  4. Step 4: Simplify right side
    26,334.20x = 792,188,383.74
  5. Step 5: Solve for x
    x = 792,188,383.74/26,334.20
  6. Step 6: Final answer
    x = 30,082.11

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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.