Home / 19,358.55-29,037.83-18,408.15

Finding the Fourth Proportional to 19,358.55, 29,037.83 and 18,408.15

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Solution

The fourth proportional to 19,358.55, 29,037.83 and 18,408.15 is: 27,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.55 : 29,037.83 = 18,408.15 : x
  2. Step 2: Convert to fraction form
    19,358.55/29,037.83 = 18,408.15/x
  3. Step 3: Cross multiply
    19,358.55x = 29,037.83 × 18,408.15
  4. Step 4: Simplify right side
    19,358.55x = 534,532,638.27
  5. Step 5: Solve for x
    x = 534,532,638.27/19,358.55
  6. Step 6: Final answer
    x = 27,612.23

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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.