Home / 27,308.17-37,685.36-15,371.69

Finding the Fourth Proportional to 27,308.17, 37,685.36 and 15,371.69

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Solution

The fourth proportional to 27,308.17, 37,685.36 and 15,371.69 is: 21,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.17 : 37,685.36 = 15,371.69 : x
  2. Step 2: Convert to fraction form
    27,308.17/37,685.36 = 15,371.69/x
  3. Step 3: Cross multiply
    27,308.17x = 37,685.36 × 15,371.69
  4. Step 4: Simplify right side
    27,308.17x = 579,287,594.60
  5. Step 5: Solve for x
    x = 579,287,594.60/27,308.17
  6. Step 6: Final answer
    x = 21,212.98

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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.