Home / 26,661.40-39,992.10-15,580.60

Finding the Fourth Proportional to 26,661.40, 39,992.10 and 15,580.60

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Solution

The fourth proportional to 26,661.40, 39,992.10 and 15,580.60 is: 23,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.40 : 39,992.10 = 15,580.60 : x
  2. Step 2: Convert to fraction form
    26,661.40/39,992.10 = 15,580.60/x
  3. Step 3: Cross multiply
    26,661.40x = 39,992.10 × 15,580.60
  4. Step 4: Simplify right side
    26,661.40x = 623,100,913.26
  5. Step 5: Solve for x
    x = 623,100,913.26/26,661.40
  6. Step 6: Final answer
    x = 23,370.90

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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.