Home / 28,231.44-42,351.26-15,076.63

Finding the Fourth Proportional to 28,231.44, 42,351.26 and 15,076.63

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Solution

The fourth proportional to 28,231.44, 42,351.26 and 15,076.63 is: 22,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.44 : 42,351.26 = 15,076.63 : x
  2. Step 2: Convert to fraction form
    28,231.44/42,351.26 = 15,076.63/x
  3. Step 3: Cross multiply
    28,231.44x = 42,351.26 × 15,076.63
  4. Step 4: Simplify right side
    28,231.44x = 638,514,254.61
  5. Step 5: Solve for x
    x = 638,514,254.61/28,231.44
  6. Step 6: Final answer
    x = 22,617.14

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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.