Home / 27,188.28-40,771.32-10,545.12

Finding the Fourth Proportional to 27,188.28, 40,771.32 and 10,545.12

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Solution

The fourth proportional to 27,188.28, 40,771.32 and 10,545.12 is: 15,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.28 : 40,771.32 = 10,545.12 : x
  2. Step 2: Convert to fraction form
    27,188.28/40,771.32 = 10,545.12/x
  3. Step 3: Cross multiply
    27,188.28x = 40,771.32 × 10,545.12
  4. Step 4: Simplify right side
    27,188.28x = 429,938,461.96
  5. Step 5: Solve for x
    x = 429,938,461.96/27,188.28
  6. Step 6: Final answer
    x = 15,813.37

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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.