Home / 27,925.14-41,887.64-12,128.12

Finding the Fourth Proportional to 27,925.14, 41,887.64 and 12,128.12

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Solution

The fourth proportional to 27,925.14, 41,887.64 and 12,128.12 is: 18,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.14 : 41,887.64 = 12,128.12 : x
  2. Step 2: Convert to fraction form
    27,925.14/41,887.64 = 12,128.12/x
  3. Step 3: Cross multiply
    27,925.14x = 41,887.64 × 12,128.12
  4. Step 4: Simplify right side
    27,925.14x = 508,018,324.44
  5. Step 5: Solve for x
    x = 508,018,324.44/27,925.14
  6. Step 6: Final answer
    x = 18,192.15

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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.