Home / 28,895.16-39,874.86-16,148.52

Finding the Fourth Proportional to 28,895.16, 39,874.86 and 16,148.52

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Solution

The fourth proportional to 28,895.16, 39,874.86 and 16,148.52 is: 22,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.16 : 39,874.86 = 16,148.52 : x
  2. Step 2: Convert to fraction form
    28,895.16/39,874.86 = 16,148.52/x
  3. Step 3: Cross multiply
    28,895.16x = 39,874.86 × 16,148.52
  4. Step 4: Simplify right side
    28,895.16x = 643,919,974.21
  5. Step 5: Solve for x
    x = 643,919,974.21/28,895.16
  6. Step 6: Final answer
    x = 22,284.70

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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.