Home / 26,430.22-39,609.60-9,774.64

Finding the Fourth Proportional to 26,430.22, 39,609.60 and 9,774.64

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Solution

The fourth proportional to 26,430.22, 39,609.60 and 9,774.64 is: 14,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.22 : 39,609.60 = 9,774.64 : x
  2. Step 2: Convert to fraction form
    26,430.22/39,609.60 = 9,774.64/x
  3. Step 3: Cross multiply
    26,430.22x = 39,609.60 × 9,774.64
  4. Step 4: Simplify right side
    26,430.22x = 387,169,580.54
  5. Step 5: Solve for x
    x = 387,169,580.54/26,430.22
  6. Step 6: Final answer
    x = 14,648.75

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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.