Home / 27,187.43-37,510.94-15,857.42

Finding the Fourth Proportional to 27,187.43, 37,510.94 and 15,857.42

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Solution

The fourth proportional to 27,187.43, 37,510.94 and 15,857.42 is: 21,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.43 : 37,510.94 = 15,857.42 : x
  2. Step 2: Convert to fraction form
    27,187.43/37,510.94 = 15,857.42/x
  3. Step 3: Cross multiply
    27,187.43x = 37,510.94 × 15,857.42
  4. Step 4: Simplify right side
    27,187.43x = 594,826,730.17
  5. Step 5: Solve for x
    x = 594,826,730.17/27,187.43
  6. Step 6: Final answer
    x = 21,878.74

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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.