Home / 27,921.64-41,882.38-12,124.63

Finding the Fourth Proportional to 27,921.64, 41,882.38 and 12,124.63

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Solution

The fourth proportional to 27,921.64, 41,882.38 and 12,124.63 is: 18,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.64 : 41,882.38 = 12,124.63 : x
  2. Step 2: Convert to fraction form
    27,921.64/41,882.38 = 12,124.63/x
  3. Step 3: Cross multiply
    27,921.64x = 41,882.38 × 12,124.63
  4. Step 4: Simplify right side
    27,921.64x = 507,808,361.02
  5. Step 5: Solve for x
    x = 507,808,361.02/27,921.64
  6. Step 6: Final answer
    x = 18,186.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.