Home / 28,291.77-39,043.49-16,354.05

Finding the Fourth Proportional to 28,291.77, 39,043.49 and 16,354.05

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Solution

The fourth proportional to 28,291.77, 39,043.49 and 16,354.05 is: 22,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.77 : 39,043.49 = 16,354.05 : x
  2. Step 2: Convert to fraction form
    28,291.77/39,043.49 = 16,354.05/x
  3. Step 3: Cross multiply
    28,291.77x = 39,043.49 × 16,354.05
  4. Step 4: Simplify right side
    28,291.77x = 638,519,105.86
  5. Step 5: Solve for x
    x = 638,519,105.86/28,291.77
  6. Step 6: Final answer
    x = 22,569.08

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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.