Home / 27,014.90-40,517.64-12,220.35

Finding the Fourth Proportional to 27,014.90, 40,517.64 and 12,220.35

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Solution

The fourth proportional to 27,014.90, 40,517.64 and 12,220.35 is: 18,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,014.90 : 40,517.64 = 12,220.35 : x
  2. Step 2: Convert to fraction form
    27,014.90/40,517.64 = 12,220.35/x
  3. Step 3: Cross multiply
    27,014.90x = 40,517.64 × 12,220.35
  4. Step 4: Simplify right side
    27,014.90x = 495,139,741.97
  5. Step 5: Solve for x
    x = 495,139,741.97/27,014.90
  6. Step 6: Final answer
    x = 18,328.40

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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.