Home / 26,420.07-39,630.96-9,784.29

Finding the Fourth Proportional to 26,420.07, 39,630.96 and 9,784.29

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Solution

The fourth proportional to 26,420.07, 39,630.96 and 9,784.29 is: 14,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.07 : 39,630.96 = 9,784.29 : x
  2. Step 2: Convert to fraction form
    26,420.07/39,630.96 = 9,784.29/x
  3. Step 3: Cross multiply
    26,420.07x = 39,630.96 × 9,784.29
  4. Step 4: Simplify right side
    26,420.07x = 387,760,805.62
  5. Step 5: Solve for x
    x = 387,760,805.62/26,420.07
  6. Step 6: Final answer
    x = 14,676.75

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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.