Home / 28,934.58-39,931.73-16,191.96

Finding the Fourth Proportional to 28,934.58, 39,931.73 and 16,191.96

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Solution

The fourth proportional to 28,934.58, 39,931.73 and 16,191.96 is: 22,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.58 : 39,931.73 = 16,191.96 : x
  2. Step 2: Convert to fraction form
    28,934.58/39,931.73 = 16,191.96/x
  3. Step 3: Cross multiply
    28,934.58x = 39,931.73 × 16,191.96
  4. Step 4: Simplify right side
    28,934.58x = 646,572,974.89
  5. Step 5: Solve for x
    x = 646,572,974.89/28,934.58
  6. Step 6: Final answer
    x = 22,346.03

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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.