Home / 27,909.12-38,507.64-16,573.86

Finding the Fourth Proportional to 27,909.12, 38,507.64 and 16,573.86

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Solution

The fourth proportional to 27,909.12, 38,507.64 and 16,573.86 is: 22,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.12 : 38,507.64 = 16,573.86 : x
  2. Step 2: Convert to fraction form
    27,909.12/38,507.64 = 16,573.86/x
  3. Step 3: Cross multiply
    27,909.12x = 38,507.64 × 16,573.86
  4. Step 4: Simplify right side
    27,909.12x = 638,220,234.29
  5. Step 5: Solve for x
    x = 638,220,234.29/27,909.12
  6. Step 6: Final answer
    x = 22,867.80

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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.