Home / 26,661.42-39,961.08-20,066.40

Finding the Fourth Proportional to 26,661.42, 39,961.08 and 20,066.40

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Solution

The fourth proportional to 26,661.42, 39,961.08 and 20,066.40 is: 30,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.42 : 39,961.08 = 20,066.40 : x
  2. Step 2: Convert to fraction form
    26,661.42/39,961.08 = 20,066.40/x
  3. Step 3: Cross multiply
    26,661.42x = 39,961.08 × 20,066.40
  4. Step 4: Simplify right side
    26,661.42x = 801,875,015.71
  5. Step 5: Solve for x
    x = 801,875,015.71/26,661.42
  6. Step 6: Final answer
    x = 30,076.23

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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.