Home / 26,423.10-39,639.82-9,783.28

Finding the Fourth Proportional to 26,423.10, 39,639.82 and 9,783.28

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Solution

The fourth proportional to 26,423.10, 39,639.82 and 9,783.28 is: 14,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.10 : 39,639.82 = 9,783.28 : x
  2. Step 2: Convert to fraction form
    26,423.10/39,639.82 = 9,783.28/x
  3. Step 3: Cross multiply
    26,423.10x = 39,639.82 × 9,783.28
  4. Step 4: Simplify right side
    26,423.10x = 387,807,458.21
  5. Step 5: Solve for x
    x = 387,807,458.21/26,423.10
  6. Step 6: Final answer
    x = 14,676.83

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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.