Home / 27,968.80-41,953.20-16,909.60

Finding the Fourth Proportional to 27,968.80, 41,953.20 and 16,909.60

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Solution

The fourth proportional to 27,968.80, 41,953.20 and 16,909.60 is: 25,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.80 : 41,953.20 = 16,909.60 : x
  2. Step 2: Convert to fraction form
    27,968.80/41,953.20 = 16,909.60/x
  3. Step 3: Cross multiply
    27,968.80x = 41,953.20 × 16,909.60
  4. Step 4: Simplify right side
    27,968.80x = 709,411,830.72
  5. Step 5: Solve for x
    x = 709,411,830.72/27,968.80
  6. Step 6: Final answer
    x = 25,364.40

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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.