Home / 15,586.08-23,378.96-3,899.28

Finding the Fourth Proportional to 15,586.08, 23,378.96 and 3,899.28

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Solution

The fourth proportional to 15,586.08, 23,378.96 and 3,899.28 is: 5,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.08 : 23,378.96 = 3,899.28 : x
  2. Step 2: Convert to fraction form
    15,586.08/23,378.96 = 3,899.28/x
  3. Step 3: Cross multiply
    15,586.08x = 23,378.96 × 3,899.28
  4. Step 4: Simplify right side
    15,586.08x = 91,161,111.15
  5. Step 5: Solve for x
    x = 91,161,111.15/15,586.08
  6. Step 6: Final answer
    x = 5,848.88

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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.