Home / 22,368.15-30,884.09-15,668.64

Finding the Fourth Proportional to 22,368.15, 30,884.09 and 15,668.64

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Solution

The fourth proportional to 22,368.15, 30,884.09 and 15,668.64 is: 21,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.15 : 30,884.09 = 15,668.64 : x
  2. Step 2: Convert to fraction form
    22,368.15/30,884.09 = 15,668.64/x
  3. Step 3: Cross multiply
    22,368.15x = 30,884.09 × 15,668.64
  4. Step 4: Simplify right side
    22,368.15x = 483,911,609.59
  5. Step 5: Solve for x
    x = 483,911,609.59/22,368.15
  6. Step 6: Final answer
    x = 21,633.96

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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.