Home / 28,214.72-42,322.04-11,563.36

Finding the Fourth Proportional to 28,214.72, 42,322.04 and 11,563.36

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Solution

The fourth proportional to 28,214.72, 42,322.04 and 11,563.36 is: 17,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.72 : 42,322.04 = 11,563.36 : x
  2. Step 2: Convert to fraction form
    28,214.72/42,322.04 = 11,563.36/x
  3. Step 3: Cross multiply
    28,214.72x = 42,322.04 × 11,563.36
  4. Step 4: Simplify right side
    28,214.72x = 489,384,984.45
  5. Step 5: Solve for x
    x = 489,384,984.45/28,214.72
  6. Step 6: Final answer
    x = 17,345.02

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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.