Home / 28,746.60-39,667.50-16,171.08

Finding the Fourth Proportional to 28,746.60, 39,667.50 and 16,171.08

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Solution

The fourth proportional to 28,746.60, 39,667.50 and 16,171.08 is: 22,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.60 : 39,667.50 = 16,171.08 : x
  2. Step 2: Convert to fraction form
    28,746.60/39,667.50 = 16,171.08/x
  3. Step 3: Cross multiply
    28,746.60x = 39,667.50 × 16,171.08
  4. Step 4: Simplify right side
    28,746.60x = 641,466,315.90
  5. Step 5: Solve for x
    x = 641,466,315.90/28,746.60
  6. Step 6: Final answer
    x = 22,314.51

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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.