Home / 21,382.77-32,074.15-9,533.48

Finding the Fourth Proportional to 21,382.77, 32,074.15 and 9,533.48

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Solution

The fourth proportional to 21,382.77, 32,074.15 and 9,533.48 is: 14,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.77 : 32,074.15 = 9,533.48 : x
  2. Step 2: Convert to fraction form
    21,382.77/32,074.15 = 9,533.48/x
  3. Step 3: Cross multiply
    21,382.77x = 32,074.15 × 9,533.48
  4. Step 4: Simplify right side
    21,382.77x = 305,778,267.54
  5. Step 5: Solve for x
    x = 305,778,267.54/21,382.77
  6. Step 6: Final answer
    x = 14,300.22

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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.