Home / 27,275.58-37,637.24-15,338.66

Finding the Fourth Proportional to 27,275.58, 37,637.24 and 15,338.66

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Solution

The fourth proportional to 27,275.58, 37,637.24 and 15,338.66 is: 21,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.58 : 37,637.24 = 15,338.66 : x
  2. Step 2: Convert to fraction form
    27,275.58/37,637.24 = 15,338.66/x
  3. Step 3: Cross multiply
    27,275.58x = 37,637.24 × 15,338.66
  4. Step 4: Simplify right side
    27,275.58x = 577,304,827.70
  5. Step 5: Solve for x
    x = 577,304,827.70/27,275.58
  6. Step 6: Final answer
    x = 21,165.63

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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.