Home / 27,899.27-38,509.52-16,570.61

Finding the Fourth Proportional to 27,899.27, 38,509.52 and 16,570.61

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Solution

The fourth proportional to 27,899.27, 38,509.52 and 16,570.61 is: 22,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.27 : 38,509.52 = 16,570.61 : x
  2. Step 2: Convert to fraction form
    27,899.27/38,509.52 = 16,570.61/x
  3. Step 3: Cross multiply
    27,899.27x = 38,509.52 × 16,570.61
  4. Step 4: Simplify right side
    27,899.27x = 638,126,237.21
  5. Step 5: Solve for x
    x = 638,126,237.21/27,899.27
  6. Step 6: Final answer
    x = 22,872.51

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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.