Home / 35,128.93-52,682.76-18,479.78

Finding the Fourth Proportional to 35,128.93, 52,682.76 and 18,479.78

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Solution

The fourth proportional to 35,128.93, 52,682.76 and 18,479.78 is: 27,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.93 : 52,682.76 = 18,479.78 : x
  2. Step 2: Convert to fraction form
    35,128.93/52,682.76 = 18,479.78/x
  3. Step 3: Cross multiply
    35,128.93x = 52,682.76 × 18,479.78
  4. Step 4: Simplify right side
    35,128.93x = 973,565,814.59
  5. Step 5: Solve for x
    x = 973,565,814.59/35,128.93
  6. Step 6: Final answer
    x = 27,714.08

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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.