Home / 21,995.72-33,007.08-18,343.16

Finding the Fourth Proportional to 21,995.72, 33,007.08 and 18,343.16

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Solution

The fourth proportional to 21,995.72, 33,007.08 and 18,343.16 is: 27,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.72 : 33,007.08 = 18,343.16 : x
  2. Step 2: Convert to fraction form
    21,995.72/33,007.08 = 18,343.16/x
  3. Step 3: Cross multiply
    21,995.72x = 33,007.08 × 18,343.16
  4. Step 4: Simplify right side
    21,995.72x = 605,454,149.57
  5. Step 5: Solve for x
    x = 605,454,149.57/21,995.72
  6. Step 6: Final answer
    x = 27,526.00

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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.