Home / 28,746.60-39,669.89-16,171.35

Finding the Fourth Proportional to 28,746.60, 39,669.89 and 16,171.35

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Solution

The fourth proportional to 28,746.60, 39,669.89 and 16,171.35 is: 22,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.60 : 39,669.89 = 16,171.35 : x
  2. Step 2: Convert to fraction form
    28,746.60/39,669.89 = 16,171.35/x
  3. Step 3: Cross multiply
    28,746.60x = 39,669.89 × 16,171.35
  4. Step 4: Simplify right side
    28,746.60x = 641,515,594.79
  5. Step 5: Solve for x
    x = 641,515,594.79/28,746.60
  6. Step 6: Final answer
    x = 22,316.23

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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.