Home / 27,437.16-41,155.90-7,715.89

Finding the Fourth Proportional to 27,437.16, 41,155.90 and 7,715.89

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Solution

The fourth proportional to 27,437.16, 41,155.90 and 7,715.89 is: 11,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.16 : 41,155.90 = 7,715.89 : x
  2. Step 2: Convert to fraction form
    27,437.16/41,155.90 = 7,715.89/x
  3. Step 3: Cross multiply
    27,437.16x = 41,155.90 × 7,715.89
  4. Step 4: Simplify right side
    27,437.16x = 317,554,429.41
  5. Step 5: Solve for x
    x = 317,554,429.41/27,437.16
  6. Step 6: Final answer
    x = 11,573.88

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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.