Home / 28,532.72-42,715.80-16,650.08

Finding the Fourth Proportional to 28,532.72, 42,715.80 and 16,650.08

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Solution

The fourth proportional to 28,532.72, 42,715.80 and 16,650.08 is: 24,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.72 : 42,715.80 = 16,650.08 : x
  2. Step 2: Convert to fraction form
    28,532.72/42,715.80 = 16,650.08/x
  3. Step 3: Cross multiply
    28,532.72x = 42,715.80 × 16,650.08
  4. Step 4: Simplify right side
    28,532.72x = 711,221,487.26
  5. Step 5: Solve for x
    x = 711,221,487.26/28,532.72
  6. Step 6: Final answer
    x = 24,926.52

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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.