Home / 19,465.80-26,874.96-15,449.04

Finding the Fourth Proportional to 19,465.80, 26,874.96 and 15,449.04

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Solution

The fourth proportional to 19,465.80, 26,874.96 and 15,449.04 is: 21,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.80 : 26,874.96 = 15,449.04 : x
  2. Step 2: Convert to fraction form
    19,465.80/26,874.96 = 15,449.04/x
  3. Step 3: Cross multiply
    19,465.80x = 26,874.96 × 15,449.04
  4. Step 4: Simplify right side
    19,465.80x = 415,192,332.04
  5. Step 5: Solve for x
    x = 415,192,332.04/19,465.80
  6. Step 6: Final answer
    x = 21,329.32

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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.