Home / 28,149.41-38,854.13-16,826.82

Finding the Fourth Proportional to 28,149.41, 38,854.13 and 16,826.82

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Solution

The fourth proportional to 28,149.41, 38,854.13 and 16,826.82 is: 23,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.41 : 38,854.13 = 16,826.82 : x
  2. Step 2: Convert to fraction form
    28,149.41/38,854.13 = 16,826.82/x
  3. Step 3: Cross multiply
    28,149.41x = 38,854.13 × 16,826.82
  4. Step 4: Simplify right side
    28,149.41x = 653,791,367.63
  5. Step 5: Solve for x
    x = 653,791,367.63/28,149.41
  6. Step 6: Final answer
    x = 23,225.76

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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.