Home / 26,328.54-39,487.40-9,682.78

Finding the Fourth Proportional to 26,328.54, 39,487.40 and 9,682.78

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Solution

The fourth proportional to 26,328.54, 39,487.40 and 9,682.78 is: 14,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.54 : 39,487.40 = 9,682.78 : x
  2. Step 2: Convert to fraction form
    26,328.54/39,487.40 = 9,682.78/x
  3. Step 3: Cross multiply
    26,328.54x = 39,487.40 × 9,682.78
  4. Step 4: Simplify right side
    26,328.54x = 382,347,806.97
  5. Step 5: Solve for x
    x = 382,347,806.97/26,328.54
  6. Step 6: Final answer
    x = 14,522.18

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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.