Home / 27,721.50-38,255.67-16,543.50

Finding the Fourth Proportional to 27,721.50, 38,255.67 and 16,543.50

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Solution

The fourth proportional to 27,721.50, 38,255.67 and 16,543.50 is: 22,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.50 : 38,255.67 = 16,543.50 : x
  2. Step 2: Convert to fraction form
    27,721.50/38,255.67 = 16,543.50/x
  3. Step 3: Cross multiply
    27,721.50x = 38,255.67 × 16,543.50
  4. Step 4: Simplify right side
    27,721.50x = 632,882,676.65
  5. Step 5: Solve for x
    x = 632,882,676.65/27,721.50
  6. Step 6: Final answer
    x = 22,830.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.