Home / 28,941.72-39,939.66-16,366.20

Finding the Fourth Proportional to 28,941.72, 39,939.66 and 16,366.20

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Solution

The fourth proportional to 28,941.72, 39,939.66 and 16,366.20 is: 22,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.72 : 39,939.66 = 16,366.20 : x
  2. Step 2: Convert to fraction form
    28,941.72/39,939.66 = 16,366.20/x
  3. Step 3: Cross multiply
    28,941.72x = 39,939.66 × 16,366.20
  4. Step 4: Simplify right side
    28,941.72x = 653,660,463.49
  5. Step 5: Solve for x
    x = 653,660,463.49/28,941.72
  6. Step 6: Final answer
    x = 22,585.40

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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.