Home / 21,983.80-32,913.60-17,110.30

Finding the Fourth Proportional to 21,983.80, 32,913.60 and 17,110.30

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Solution

The fourth proportional to 21,983.80, 32,913.60 and 17,110.30 is: 25,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.80 : 32,913.60 = 17,110.30 : x
  2. Step 2: Convert to fraction form
    21,983.80/32,913.60 = 17,110.30/x
  3. Step 3: Cross multiply
    21,983.80x = 32,913.60 × 17,110.30
  4. Step 4: Simplify right side
    21,983.80x = 563,161,570.08
  5. Step 5: Solve for x
    x = 563,161,570.08/21,983.80
  6. Step 6: Final answer
    x = 25,617.12

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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.