Home / 28,927.22-39,919.28-16,180.26

Finding the Fourth Proportional to 28,927.22, 39,919.28 and 16,180.26

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Solution

The fourth proportional to 28,927.22, 39,919.28 and 16,180.26 is: 22,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.22 : 39,919.28 = 16,180.26 : x
  2. Step 2: Convert to fraction form
    28,927.22/39,919.28 = 16,180.26/x
  3. Step 3: Cross multiply
    28,927.22x = 39,919.28 × 16,180.26
  4. Step 4: Simplify right side
    28,927.22x = 645,904,129.82
  5. Step 5: Solve for x
    x = 645,904,129.82/28,927.22
  6. Step 6: Final answer
    x = 22,328.59

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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.