Home / 27,665.84-38,178.96-15,733.10

Finding the Fourth Proportional to 27,665.84, 38,178.96 and 15,733.10

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Solution

The fourth proportional to 27,665.84, 38,178.96 and 15,733.10 is: 21,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665.84 : 38,178.96 = 15,733.10 : x
  2. Step 2: Convert to fraction form
    27,665.84/38,178.96 = 15,733.10/x
  3. Step 3: Cross multiply
    27,665.84x = 38,178.96 × 15,733.10
  4. Step 4: Simplify right side
    27,665.84x = 600,673,395.58
  5. Step 5: Solve for x
    x = 600,673,395.58/27,665.84
  6. Step 6: Final answer
    x = 21,711.74

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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.