Home / 26,425.79-39,647.12-9,788.19

Finding the Fourth Proportional to 26,425.79, 39,647.12 and 9,788.19

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Solution

The fourth proportional to 26,425.79, 39,647.12 and 9,788.19 is: 14,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.79 : 39,647.12 = 9,788.19 : x
  2. Step 2: Convert to fraction form
    26,425.79/39,647.12 = 9,788.19/x
  3. Step 3: Cross multiply
    26,425.79x = 39,647.12 × 9,788.19
  4. Step 4: Simplify right side
    26,425.79x = 388,073,623.97
  5. Step 5: Solve for x
    x = 388,073,623.97/26,425.79
  6. Step 6: Final answer
    x = 14,685.41

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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.