Home / 28,732.60-39,648.18-16,157.08

Finding the Fourth Proportional to 28,732.60, 39,648.18 and 16,157.08

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Solution

The fourth proportional to 28,732.60, 39,648.18 and 16,157.08 is: 22,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.60 : 39,648.18 = 16,157.08 : x
  2. Step 2: Convert to fraction form
    28,732.60/39,648.18 = 16,157.08/x
  3. Step 3: Cross multiply
    28,732.60x = 39,648.18 × 16,157.08
  4. Step 4: Simplify right side
    28,732.60x = 640,598,816.11
  5. Step 5: Solve for x
    x = 640,598,816.11/28,732.60
  6. Step 6: Final answer
    x = 22,295.19

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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.