Home / 26,720.71-40,086.53-9,188.26

Finding the Fourth Proportional to 26,720.71, 40,086.53 and 9,188.26

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Solution

The fourth proportional to 26,720.71, 40,086.53 and 9,188.26 is: 13,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.71 : 40,086.53 = 9,188.26 : x
  2. Step 2: Convert to fraction form
    26,720.71/40,086.53 = 9,188.26/x
  3. Step 3: Cross multiply
    26,720.71x = 40,086.53 × 9,188.26
  4. Step 4: Simplify right side
    26,720.71x = 368,325,460.14
  5. Step 5: Solve for x
    x = 368,325,460.14/26,720.71
  6. Step 6: Final answer
    x = 13,784.27

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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.