Home / 27,275.36-37,637.88-15,336.38

Finding the Fourth Proportional to 27,275.36, 37,637.88 and 15,336.38

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Solution

The fourth proportional to 27,275.36, 37,637.88 and 15,336.38 is: 21,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.36 : 37,637.88 = 15,336.38 : x
  2. Step 2: Convert to fraction form
    27,275.36/37,637.88 = 15,336.38/x
  3. Step 3: Cross multiply
    27,275.36x = 37,637.88 × 15,336.38
  4. Step 4: Simplify right side
    27,275.36x = 577,228,830.07
  5. Step 5: Solve for x
    x = 577,228,830.07/27,275.36
  6. Step 6: Final answer
    x = 21,163.01

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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.