Home / 27,887.08-38,502.18-17,288.04

Finding the Fourth Proportional to 27,887.08, 38,502.18 and 17,288.04

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Solution

The fourth proportional to 27,887.08, 38,502.18 and 17,288.04 is: 23,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.08 : 38,502.18 = 17,288.04 : x
  2. Step 2: Convert to fraction form
    27,887.08/38,502.18 = 17,288.04/x
  3. Step 3: Cross multiply
    27,887.08x = 38,502.18 × 17,288.04
  4. Step 4: Simplify right side
    27,887.08x = 665,627,227.93
  5. Step 5: Solve for x
    x = 665,627,227.93/27,887.08
  6. Step 6: Final answer
    x = 23,868.66

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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.