Home / 15,638.04-23,442.48-5,242.50

Finding the Fourth Proportional to 15,638.04, 23,442.48 and 5,242.50

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Solution

The fourth proportional to 15,638.04, 23,442.48 and 5,242.50 is: 7,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.04 : 23,442.48 = 5,242.50 : x
  2. Step 2: Convert to fraction form
    15,638.04/23,442.48 = 5,242.50/x
  3. Step 3: Cross multiply
    15,638.04x = 23,442.48 × 5,242.50
  4. Step 4: Simplify right side
    15,638.04x = 122,897,201.40
  5. Step 5: Solve for x
    x = 122,897,201.40/15,638.04
  6. Step 6: Final answer
    x = 7,858.86

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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.