Home / 19,396.52-26,782.98-15,812.04

Finding the Fourth Proportional to 19,396.52, 26,782.98 and 15,812.04

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Solution

The fourth proportional to 19,396.52, 26,782.98 and 15,812.04 is: 21,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.52 : 26,782.98 = 15,812.04 : x
  2. Step 2: Convert to fraction form
    19,396.52/26,782.98 = 15,812.04/x
  3. Step 3: Cross multiply
    19,396.52x = 26,782.98 × 15,812.04
  4. Step 4: Simplify right side
    19,396.52x = 423,493,551.08
  5. Step 5: Solve for x
    x = 423,493,551.08/19,396.52
  6. Step 6: Final answer
    x = 21,833.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.