Home / 28,926.52-43,360.23-16,420.12

Finding the Fourth Proportional to 28,926.52, 43,360.23 and 16,420.12

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Solution

The fourth proportional to 28,926.52, 43,360.23 and 16,420.12 is: 24,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.52 : 43,360.23 = 16,420.12 : x
  2. Step 2: Convert to fraction form
    28,926.52/43,360.23 = 16,420.12/x
  3. Step 3: Cross multiply
    28,926.52x = 43,360.23 × 16,420.12
  4. Step 4: Simplify right side
    28,926.52x = 711,980,179.83
  5. Step 5: Solve for x
    x = 711,980,179.83/28,926.52
  6. Step 6: Final answer
    x = 24,613.41

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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.