Home / 26,173.80-39,258.54-8,638.92

Finding the Fourth Proportional to 26,173.80, 39,258.54 and 8,638.92

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Solution

The fourth proportional to 26,173.80, 39,258.54 and 8,638.92 is: 12,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.80 : 39,258.54 = 8,638.92 : x
  2. Step 2: Convert to fraction form
    26,173.80/39,258.54 = 8,638.92/x
  3. Step 3: Cross multiply
    26,173.80x = 39,258.54 × 8,638.92
  4. Step 4: Simplify right side
    26,173.80x = 339,151,386.38
  5. Step 5: Solve for x
    x = 339,151,386.38/26,173.80
  6. Step 6: Final answer
    x = 12,957.67

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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.