Home / 28,874.04-43,322.13-10,156.02

Finding the Fourth Proportional to 28,874.04, 43,322.13 and 10,156.02

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Solution

The fourth proportional to 28,874.04, 43,322.13 and 10,156.02 is: 15,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.04 : 43,322.13 = 10,156.02 : x
  2. Step 2: Convert to fraction form
    28,874.04/43,322.13 = 10,156.02/x
  3. Step 3: Cross multiply
    28,874.04x = 43,322.13 × 10,156.02
  4. Step 4: Simplify right side
    28,874.04x = 439,980,418.72
  5. Step 5: Solve for x
    x = 439,980,418.72/28,874.04
  6. Step 6: Final answer
    x = 15,237.92

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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.