Home / 26,722.08-36,871.20-18,230.40

Finding the Fourth Proportional to 26,722.08, 36,871.20 and 18,230.40

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Solution

The fourth proportional to 26,722.08, 36,871.20 and 18,230.40 is: 25,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.08 : 36,871.20 = 18,230.40 : x
  2. Step 2: Convert to fraction form
    26,722.08/36,871.20 = 18,230.40/x
  3. Step 3: Cross multiply
    26,722.08x = 36,871.20 × 18,230.40
  4. Step 4: Simplify right side
    26,722.08x = 672,176,724.48
  5. Step 5: Solve for x
    x = 672,176,724.48/26,722.08
  6. Step 6: Final answer
    x = 25,154.36

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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.