Home / 27,015.52-40,518.56-12,220.96

Finding the Fourth Proportional to 27,015.52, 40,518.56 and 12,220.96

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Solution

The fourth proportional to 27,015.52, 40,518.56 and 12,220.96 is: 18,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.52 : 40,518.56 = 12,220.96 : x
  2. Step 2: Convert to fraction form
    27,015.52/40,518.56 = 12,220.96/x
  3. Step 3: Cross multiply
    27,015.52x = 40,518.56 × 12,220.96
  4. Step 4: Simplify right side
    27,015.52x = 495,175,701.02
  5. Step 5: Solve for x
    x = 495,175,701.02/27,015.52
  6. Step 6: Final answer
    x = 18,329.30

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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.