Home / 19,715.04-29,640.96-15,846.72

Finding the Fourth Proportional to 19,715.04, 29,640.96 and 15,846.72

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Solution

The fourth proportional to 19,715.04, 29,640.96 and 15,846.72 is: 23,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.04 : 29,640.96 = 15,846.72 : x
  2. Step 2: Convert to fraction form
    19,715.04/29,640.96 = 15,846.72/x
  3. Step 3: Cross multiply
    19,715.04x = 29,640.96 × 15,846.72
  4. Step 4: Simplify right side
    19,715.04x = 469,711,993.65
  5. Step 5: Solve for x
    x = 469,711,993.65/19,715.04
  6. Step 6: Final answer
    x = 23,825.06

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1.5x scale

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.