Home / 21,616.95-32,409.68-14,579.49

Finding the Fourth Proportional to 21,616.95, 32,409.68 and 14,579.49

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Solution

The fourth proportional to 21,616.95, 32,409.68 and 14,579.49 is: 21,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.95 : 32,409.68 = 14,579.49 : x
  2. Step 2: Convert to fraction form
    21,616.95/32,409.68 = 14,579.49/x
  3. Step 3: Cross multiply
    21,616.95x = 32,409.68 × 14,579.49
  4. Step 4: Simplify right side
    21,616.95x = 472,516,532.57
  5. Step 5: Solve for x
    x = 472,516,532.57/21,616.95
  6. Step 6: Final answer
    x = 21,858.61

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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.