Home / 27,920.41-38,529.11-15,984.86

Finding the Fourth Proportional to 27,920.41, 38,529.11 and 15,984.86

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Solution

The fourth proportional to 27,920.41, 38,529.11 and 15,984.86 is: 22,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.41 : 38,529.11 = 15,984.86 : x
  2. Step 2: Convert to fraction form
    27,920.41/38,529.11 = 15,984.86/x
  3. Step 3: Cross multiply
    27,920.41x = 38,529.11 × 15,984.86
  4. Step 4: Simplify right side
    27,920.41x = 615,882,292.99
  5. Step 5: Solve for x
    x = 615,882,292.99/27,920.41
  6. Step 6: Final answer
    x = 22,058.50

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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.