Home / 18,085.20-27,127.80-16,472.40

Finding the Fourth Proportional to 18,085.20, 27,127.80 and 16,472.40

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Solution

The fourth proportional to 18,085.20, 27,127.80 and 16,472.40 is: 24,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.20 : 27,127.80 = 16,472.40 : x
  2. Step 2: Convert to fraction form
    18,085.20/27,127.80 = 16,472.40/x
  3. Step 3: Cross multiply
    18,085.20x = 27,127.80 × 16,472.40
  4. Step 4: Simplify right side
    18,085.20x = 446,859,972.72
  5. Step 5: Solve for x
    x = 446,859,972.72/18,085.20
  6. Step 6: Final answer
    x = 24,708.60

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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.