Home / 18,003.64-26,875.19-15,554.20

Finding the Fourth Proportional to 18,003.64, 26,875.19 and 15,554.20

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Solution

The fourth proportional to 18,003.64, 26,875.19 and 15,554.20 is: 23,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.64 : 26,875.19 = 15,554.20 : x
  2. Step 2: Convert to fraction form
    18,003.64/26,875.19 = 15,554.20/x
  3. Step 3: Cross multiply
    18,003.64x = 26,875.19 × 15,554.20
  4. Step 4: Simplify right side
    18,003.64x = 418,022,080.30
  5. Step 5: Solve for x
    x = 418,022,080.30/18,003.64
  6. Step 6: Final answer
    x = 23,218.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.