Home / 28,182.00-38,882.36-16,243.72

Finding the Fourth Proportional to 28,182.00, 38,882.36 and 16,243.72

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Solution

The fourth proportional to 28,182.00, 38,882.36 and 16,243.72 is: 22,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.00 : 38,882.36 = 16,243.72 : x
  2. Step 2: Convert to fraction form
    28,182.00/38,882.36 = 16,243.72/x
  3. Step 3: Cross multiply
    28,182.00x = 38,882.36 × 16,243.72
  4. Step 4: Simplify right side
    28,182.00x = 631,594,112.18
  5. Step 5: Solve for x
    x = 631,594,112.18/28,182.00
  6. Step 6: Final answer
    x = 22,411.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.