Home / 20,003.60-29,965.80-17,541.20

Finding the Fourth Proportional to 20,003.60, 29,965.80 and 17,541.20

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Solution

The fourth proportional to 20,003.60, 29,965.80 and 17,541.20 is: 26,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.60 : 29,965.80 = 17,541.20 : x
  2. Step 2: Convert to fraction form
    20,003.60/29,965.80 = 17,541.20/x
  3. Step 3: Cross multiply
    20,003.60x = 29,965.80 × 17,541.20
  4. Step 4: Simplify right side
    20,003.60x = 525,636,090.96
  5. Step 5: Solve for x
    x = 525,636,090.96/20,003.60
  6. Step 6: Final answer
    x = 26,277.07

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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.