Home / 19,628.72-29,438.66-5,588.44

Finding the Fourth Proportional to 19,628.72, 29,438.66 and 5,588.44

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Solution

The fourth proportional to 19,628.72, 29,438.66 and 5,588.44 is: 8,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.72 : 29,438.66 = 5,588.44 : x
  2. Step 2: Convert to fraction form
    19,628.72/29,438.66 = 5,588.44/x
  3. Step 3: Cross multiply
    19,628.72x = 29,438.66 × 5,588.44
  4. Step 4: Simplify right side
    19,628.72x = 164,516,157.15
  5. Step 5: Solve for x
    x = 164,516,157.15/19,628.72
  6. Step 6: Final answer
    x = 8,381.40

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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.