Home / 27,529.38-37,950.54-20,348.70

Finding the Fourth Proportional to 27,529.38, 37,950.54 and 20,348.70

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Solution

The fourth proportional to 27,529.38, 37,950.54 and 20,348.70 is: 28,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.38 : 37,950.54 = 20,348.70 : x
  2. Step 2: Convert to fraction form
    27,529.38/37,950.54 = 20,348.70/x
  3. Step 3: Cross multiply
    27,529.38x = 37,950.54 × 20,348.70
  4. Step 4: Simplify right side
    27,529.38x = 772,244,153.30
  5. Step 5: Solve for x
    x = 772,244,153.30/27,529.38
  6. Step 6: Final answer
    x = 28,051.64

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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.