Home / 28,112.65-38,797.16-16,175.72

Finding the Fourth Proportional to 28,112.65, 38,797.16 and 16,175.72

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Solution

The fourth proportional to 28,112.65, 38,797.16 and 16,175.72 is: 22,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.65 : 38,797.16 = 16,175.72 : x
  2. Step 2: Convert to fraction form
    28,112.65/38,797.16 = 16,175.72/x
  3. Step 3: Cross multiply
    28,112.65x = 38,797.16 × 16,175.72
  4. Step 4: Simplify right side
    28,112.65x = 627,572,013.07
  5. Step 5: Solve for x
    x = 627,572,013.07/28,112.65
  6. Step 6: Final answer
    x = 22,323.48

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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.