Home / 15,680.79-23,506.61-5,285.25

Finding the Fourth Proportional to 15,680.79, 23,506.61 and 5,285.25

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Solution

The fourth proportional to 15,680.79, 23,506.61 and 5,285.25 is: 7,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.79 : 23,506.61 = 5,285.25 : x
  2. Step 2: Convert to fraction form
    15,680.79/23,506.61 = 5,285.25/x
  3. Step 3: Cross multiply
    15,680.79x = 23,506.61 × 5,285.25
  4. Step 4: Simplify right side
    15,680.79x = 124,238,284.08
  5. Step 5: Solve for x
    x = 124,238,284.08/15,680.79
  6. Step 6: Final answer
    x = 7,922.96

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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.