Home / 27,778.17-38,337.66-16,446.81

Finding the Fourth Proportional to 27,778.17, 38,337.66 and 16,446.81

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Solution

The fourth proportional to 27,778.17, 38,337.66 and 16,446.81 is: 22,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.17 : 38,337.66 = 16,446.81 : x
  2. Step 2: Convert to fraction form
    27,778.17/38,337.66 = 16,446.81/x
  3. Step 3: Cross multiply
    27,778.17x = 38,337.66 × 16,446.81
  4. Step 4: Simplify right side
    27,778.17x = 630,532,209.86
  5. Step 5: Solve for x
    x = 630,532,209.86/27,778.17
  6. Step 6: Final answer
    x = 22,698.84

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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.