Home / 28,024.86-42,029.07-10,490.58

Finding the Fourth Proportional to 28,024.86, 42,029.07 and 10,490.58

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Solution

The fourth proportional to 28,024.86, 42,029.07 and 10,490.58 is: 15,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.86 : 42,029.07 = 10,490.58 : x
  2. Step 2: Convert to fraction form
    28,024.86/42,029.07 = 10,490.58/x
  3. Step 3: Cross multiply
    28,024.86x = 42,029.07 × 10,490.58
  4. Step 4: Simplify right side
    28,024.86x = 440,909,321.16
  5. Step 5: Solve for x
    x = 440,909,321.16/28,024.86
  6. Step 6: Final answer
    x = 15,732.79

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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.