Home / 15,765.28-23,647.80-4,672.04

Finding the Fourth Proportional to 15,765.28, 23,647.80 and 4,672.04

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Solution

The fourth proportional to 15,765.28, 23,647.80 and 4,672.04 is: 7,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.28 : 23,647.80 = 4,672.04 : x
  2. Step 2: Convert to fraction form
    15,765.28/23,647.80 = 4,672.04/x
  3. Step 3: Cross multiply
    15,765.28x = 23,647.80 × 4,672.04
  4. Step 4: Simplify right side
    15,765.28x = 110,483,467.51
  5. Step 5: Solve for x
    x = 110,483,467.51/15,765.28
  6. Step 6: Final answer
    x = 7,008.02

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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.