Home / 28,486.41-39,305.23-16,543.59

Finding the Fourth Proportional to 28,486.41, 39,305.23 and 16,543.59

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Solution

The fourth proportional to 28,486.41, 39,305.23 and 16,543.59 is: 22,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.41 : 39,305.23 = 16,543.59 : x
  2. Step 2: Convert to fraction form
    28,486.41/39,305.23 = 16,543.59/x
  3. Step 3: Cross multiply
    28,486.41x = 39,305.23 × 16,543.59
  4. Step 4: Simplify right side
    28,486.41x = 650,249,609.98
  5. Step 5: Solve for x
    x = 650,249,609.98/28,486.41
  6. Step 6: Final answer
    x = 22,826.66

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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.