Home / 27,784.82-41,681.55-9,312.50

Finding the Fourth Proportional to 27,784.82, 41,681.55 and 9,312.50

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Solution

The fourth proportional to 27,784.82, 41,681.55 and 9,312.50 is: 13,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.82 : 41,681.55 = 9,312.50 : x
  2. Step 2: Convert to fraction form
    27,784.82/41,681.55 = 9,312.50/x
  3. Step 3: Cross multiply
    27,784.82x = 41,681.55 × 9,312.50
  4. Step 4: Simplify right side
    27,784.82x = 388,159,434.38
  5. Step 5: Solve for x
    x = 388,159,434.38/27,784.82
  6. Step 6: Final answer
    x = 13,970.20

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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.