Home / 19,255.60-28,846.02-10,909.96

Finding the Fourth Proportional to 19,255.60, 28,846.02 and 10,909.96

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Solution

The fourth proportional to 19,255.60, 28,846.02 and 10,909.96 is: 16,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.60 : 28,846.02 = 10,909.96 : x
  2. Step 2: Convert to fraction form
    19,255.60/28,846.02 = 10,909.96/x
  3. Step 3: Cross multiply
    19,255.60x = 28,846.02 × 10,909.96
  4. Step 4: Simplify right side
    19,255.60x = 314,708,924.36
  5. Step 5: Solve for x
    x = 314,708,924.36/19,255.60
  6. Step 6: Final answer
    x = 16,343.76

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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.