Home / 64,272.28-96,385.83-19,280.22

Finding the Fourth Proportional to 64,272.28, 96,385.83 and 19,280.22

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Solution

The fourth proportional to 64,272.28, 96,385.83 and 19,280.22 is: 28,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.28 : 96,385.83 = 19,280.22 : x
  2. Step 2: Convert to fraction form
    64,272.28/96,385.83 = 19,280.22/x
  3. Step 3: Cross multiply
    64,272.28x = 96,385.83 × 19,280.22
  4. Step 4: Simplify right side
    64,272.28x = 1,858,339,525.35
  5. Step 5: Solve for x
    x = 1,858,339,525.35/64,272.28
  6. Step 6: Final answer
    x = 28,913.55

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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.