Home / 26,945.46-40,422.72-12,154.02

Finding the Fourth Proportional to 26,945.46, 40,422.72 and 12,154.02

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Solution

The fourth proportional to 26,945.46, 40,422.72 and 12,154.02 is: 18,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.46 : 40,422.72 = 12,154.02 : x
  2. Step 2: Convert to fraction form
    26,945.46/40,422.72 = 12,154.02/x
  3. Step 3: Cross multiply
    26,945.46x = 40,422.72 × 12,154.02
  4. Step 4: Simplify right side
    26,945.46x = 491,298,547.33
  5. Step 5: Solve for x
    x = 491,298,547.33/26,945.46
  6. Step 6: Final answer
    x = 18,233.07

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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.