Home / 27,558.91-38,030.20-16,228.89

Finding the Fourth Proportional to 27,558.91, 38,030.20 and 16,228.89

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Solution

The fourth proportional to 27,558.91, 38,030.20 and 16,228.89 is: 22,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.91 : 38,030.20 = 16,228.89 : x
  2. Step 2: Convert to fraction form
    27,558.91/38,030.20 = 16,228.89/x
  3. Step 3: Cross multiply
    27,558.91x = 38,030.20 × 16,228.89
  4. Step 4: Simplify right side
    27,558.91x = 617,187,830.59
  5. Step 5: Solve for x
    x = 617,187,830.59/27,558.91
  6. Step 6: Final answer
    x = 22,395.22

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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.