Home / 28,663.02-42,994.62-7,886.52

Finding the Fourth Proportional to 28,663.02, 42,994.62 and 7,886.52

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Solution

The fourth proportional to 28,663.02, 42,994.62 and 7,886.52 is: 11,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.02 : 42,994.62 = 7,886.52 : x
  2. Step 2: Convert to fraction form
    28,663.02/42,994.62 = 7,886.52/x
  3. Step 3: Cross multiply
    28,663.02x = 42,994.62 × 7,886.52
  4. Step 4: Simplify right side
    28,663.02x = 339,077,930.52
  5. Step 5: Solve for x
    x = 339,077,930.52/28,663.02
  6. Step 6: Final answer
    x = 11,829.80

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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.