Home / 36,023.52-54,005.04-12,665.28

Finding the Fourth Proportional to 36,023.52, 54,005.04 and 12,665.28

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Solution

The fourth proportional to 36,023.52, 54,005.04 and 12,665.28 is: 18,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.52 : 54,005.04 = 12,665.28 : x
  2. Step 2: Convert to fraction form
    36,023.52/54,005.04 = 12,665.28/x
  3. Step 3: Cross multiply
    36,023.52x = 54,005.04 × 12,665.28
  4. Step 4: Simplify right side
    36,023.52x = 683,988,953.01
  5. Step 5: Solve for x
    x = 683,988,953.01/36,023.52
  6. Step 6: Final answer
    x = 18,987.29

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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.