Home / 26,829.06-40,270.08-20,142.30

Finding the Fourth Proportional to 26,829.06, 40,270.08 and 20,142.30

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Solution

The fourth proportional to 26,829.06, 40,270.08 and 20,142.30 is: 30,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.06 : 40,270.08 = 20,142.30 : x
  2. Step 2: Convert to fraction form
    26,829.06/40,270.08 = 20,142.30/x
  3. Step 3: Cross multiply
    26,829.06x = 40,270.08 × 20,142.30
  4. Step 4: Simplify right side
    26,829.06x = 811,132,032.38
  5. Step 5: Solve for x
    x = 811,132,032.38/26,829.06
  6. Step 6: Final answer
    x = 30,233.34

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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.