Home / 28,164.05-38,868.27-16,228.16

Finding the Fourth Proportional to 28,164.05, 38,868.27 and 16,228.16

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Solution

The fourth proportional to 28,164.05, 38,868.27 and 16,228.16 is: 22,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.05 : 38,868.27 = 16,228.16 : x
  2. Step 2: Convert to fraction form
    28,164.05/38,868.27 = 16,228.16/x
  3. Step 3: Cross multiply
    28,164.05x = 38,868.27 × 16,228.16
  4. Step 4: Simplify right side
    28,164.05x = 630,760,366.74
  5. Step 5: Solve for x
    x = 630,760,366.74/28,164.05
  6. Step 6: Final answer
    x = 22,395.94

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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.