Home / 26,193.78-39,271.84-15,638.67

Finding the Fourth Proportional to 26,193.78, 39,271.84 and 15,638.67

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Solution

The fourth proportional to 26,193.78, 39,271.84 and 15,638.67 is: 23,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.78 : 39,271.84 = 15,638.67 : x
  2. Step 2: Convert to fraction form
    26,193.78/39,271.84 = 15,638.67/x
  3. Step 3: Cross multiply
    26,193.78x = 39,271.84 × 15,638.67
  4. Step 4: Simplify right side
    26,193.78x = 614,159,306.96
  5. Step 5: Solve for x
    x = 614,159,306.96/26,193.78
  6. Step 6: Final answer
    x = 23,446.76

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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.