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Finding the Fourth Proportional to 27,359.60, 41,038.80 and 7,637.60

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Solution

The fourth proportional to 27,359.60, 41,038.80 and 7,637.60 is: 11,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.60 : 41,038.80 = 7,637.60 : x
  2. Step 2: Convert to fraction form
    27,359.60/41,038.80 = 7,637.60/x
  3. Step 3: Cross multiply
    27,359.60x = 41,038.80 × 7,637.60
  4. Step 4: Simplify right side
    27,359.60x = 313,437,938.88
  5. Step 5: Solve for x
    x = 313,437,938.88/27,359.60
  6. Step 6: Final answer
    x = 11,456.23

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1.5x scale

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.