Home / 28,097.02-42,166.26-13,305.91

Finding the Fourth Proportional to 28,097.02, 42,166.26 and 13,305.91

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Solution

The fourth proportional to 28,097.02, 42,166.26 and 13,305.91 is: 19,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.02 : 42,166.26 = 13,305.91 : x
  2. Step 2: Convert to fraction form
    28,097.02/42,166.26 = 13,305.91/x
  3. Step 3: Cross multiply
    28,097.02x = 42,166.26 × 13,305.91
  4. Step 4: Simplify right side
    28,097.02x = 561,060,249.77
  5. Step 5: Solve for x
    x = 561,060,249.77/28,097.02
  6. Step 6: Final answer
    x = 19,968.68

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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.