Home / 17,385.80-26,078.70-16,627.40

Finding the Fourth Proportional to 17,385.80, 26,078.70 and 16,627.40

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Solution

The fourth proportional to 17,385.80, 26,078.70 and 16,627.40 is: 24,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.80 : 26,078.70 = 16,627.40 : x
  2. Step 2: Convert to fraction form
    17,385.80/26,078.70 = 16,627.40/x
  3. Step 3: Cross multiply
    17,385.80x = 26,078.70 × 16,627.40
  4. Step 4: Simplify right side
    17,385.80x = 433,620,976.38
  5. Step 5: Solve for x
    x = 433,620,976.38/17,385.80
  6. Step 6: Final answer
    x = 24,941.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.