Home / 27,960.40-38,572.63-16,623.46

Finding the Fourth Proportional to 27,960.40, 38,572.63 and 16,623.46

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Solution

The fourth proportional to 27,960.40, 38,572.63 and 16,623.46 is: 22,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.40 : 38,572.63 = 16,623.46 : x
  2. Step 2: Convert to fraction form
    27,960.40/38,572.63 = 16,623.46/x
  3. Step 3: Cross multiply
    27,960.40x = 38,572.63 × 16,623.46
  4. Step 4: Simplify right side
    27,960.40x = 641,210,571.90
  5. Step 5: Solve for x
    x = 641,210,571.90/27,960.40
  6. Step 6: Final answer
    x = 22,932.81

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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.