Home / 27,005.34-37,275.19-15,677.38

Finding the Fourth Proportional to 27,005.34, 37,275.19 and 15,677.38

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Solution

The fourth proportional to 27,005.34, 37,275.19 and 15,677.38 is: 21,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.34 : 37,275.19 = 15,677.38 : x
  2. Step 2: Convert to fraction form
    27,005.34/37,275.19 = 15,677.38/x
  3. Step 3: Cross multiply
    27,005.34x = 37,275.19 × 15,677.38
  4. Step 4: Simplify right side
    27,005.34x = 584,377,185.82
  5. Step 5: Solve for x
    x = 584,377,185.82/27,005.34
  6. Step 6: Final answer
    x = 21,639.32

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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.