Home / 27,103.10-40,631.28-10,474.80

Finding the Fourth Proportional to 27,103.10, 40,631.28 and 10,474.80

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Solution

The fourth proportional to 27,103.10, 40,631.28 and 10,474.80 is: 15,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.10 : 40,631.28 = 10,474.80 : x
  2. Step 2: Convert to fraction form
    27,103.10/40,631.28 = 10,474.80/x
  3. Step 3: Cross multiply
    27,103.10x = 40,631.28 × 10,474.80
  4. Step 4: Simplify right side
    27,103.10x = 425,604,531.74
  5. Step 5: Solve for x
    x = 425,604,531.74/27,103.10
  6. Step 6: Final answer
    x = 15,703.17

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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.