Home / 28,644.23-42,990.95-16,176.51

Finding the Fourth Proportional to 28,644.23, 42,990.95 and 16,176.51

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Solution

The fourth proportional to 28,644.23, 42,990.95 and 16,176.51 is: 24,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.23 : 42,990.95 = 16,176.51 : x
  2. Step 2: Convert to fraction form
    28,644.23/42,990.95 = 16,176.51/x
  3. Step 3: Cross multiply
    28,644.23x = 42,990.95 × 16,176.51
  4. Step 4: Simplify right side
    28,644.23x = 695,443,573.03
  5. Step 5: Solve for x
    x = 695,443,573.03/28,644.23
  6. Step 6: Final answer
    x = 24,278.66

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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.