Home / 26,887.52-40,330.20-18,957.08

Finding the Fourth Proportional to 26,887.52, 40,330.20 and 18,957.08

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Solution

The fourth proportional to 26,887.52, 40,330.20 and 18,957.08 is: 28,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.52 : 40,330.20 = 18,957.08 : x
  2. Step 2: Convert to fraction form
    26,887.52/40,330.20 = 18,957.08/x
  3. Step 3: Cross multiply
    26,887.52x = 40,330.20 × 18,957.08
  4. Step 4: Simplify right side
    26,887.52x = 764,542,827.82
  5. Step 5: Solve for x
    x = 764,542,827.82/26,887.52
  6. Step 6: Final answer
    x = 28,434.86

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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.