Home / 28,654.02-42,997.98-15,506.10

Finding the Fourth Proportional to 28,654.02, 42,997.98 and 15,506.10

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Solution

The fourth proportional to 28,654.02, 42,997.98 and 15,506.10 is: 23,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654.02 : 42,997.98 = 15,506.10 : x
  2. Step 2: Convert to fraction form
    28,654.02/42,997.98 = 15,506.10/x
  3. Step 3: Cross multiply
    28,654.02x = 42,997.98 × 15,506.10
  4. Step 4: Simplify right side
    28,654.02x = 666,730,977.68
  5. Step 5: Solve for x
    x = 666,730,977.68/28,654.02
  6. Step 6: Final answer
    x = 23,268.32

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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.