Home / 27,276.94-37,637.49-15,338.62

Finding the Fourth Proportional to 27,276.94, 37,637.49 and 15,338.62

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Solution

The fourth proportional to 27,276.94, 37,637.49 and 15,338.62 is: 21,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.94 : 37,637.49 = 15,338.62 : x
  2. Step 2: Convert to fraction form
    27,276.94/37,637.49 = 15,338.62/x
  3. Step 3: Cross multiply
    27,276.94x = 37,637.49 × 15,338.62
  4. Step 4: Simplify right side
    27,276.94x = 577,307,156.86
  5. Step 5: Solve for x
    x = 577,307,156.86/27,276.94
  6. Step 6: Final answer
    x = 21,164.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.