Home / 18,701.60-27,919.72-16,628

Finding the Fourth Proportional to 18,701.60, 27,919.72 and 16,628

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Solution

The fourth proportional to 18,701.60, 27,919.72 and 16,628 is: 24,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.60 : 27,919.72 = 16,628 : x
  2. Step 2: Convert to fraction form
    18,701.60/27,919.72 = 16,628/x
  3. Step 3: Cross multiply
    18,701.60x = 27,919.72 × 16,628
  4. Step 4: Simplify right side
    18,701.60x = 464,249,104.16
  5. Step 5: Solve for x
    x = 464,249,104.16/18,701.60
  6. Step 6: Final answer
    x = 24,824.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.