Home / 28,508.15-39,338.52-16,572.08

Finding the Fourth Proportional to 28,508.15, 39,338.52 and 16,572.08

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Solution

The fourth proportional to 28,508.15, 39,338.52 and 16,572.08 is: 22,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.15 : 39,338.52 = 16,572.08 : x
  2. Step 2: Convert to fraction form
    28,508.15/39,338.52 = 16,572.08/x
  3. Step 3: Cross multiply
    28,508.15x = 39,338.52 × 16,572.08
  4. Step 4: Simplify right side
    28,508.15x = 651,921,100.52
  5. Step 5: Solve for x
    x = 651,921,100.52/28,508.15
  6. Step 6: Final answer
    x = 22,867.89

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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.