Home / 19,416.80-26,788.74-15,825.59

Finding the Fourth Proportional to 19,416.80, 26,788.74 and 15,825.59

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Solution

The fourth proportional to 19,416.80, 26,788.74 and 15,825.59 is: 21,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.80 : 26,788.74 = 15,825.59 : x
  2. Step 2: Convert to fraction form
    19,416.80/26,788.74 = 15,825.59/x
  3. Step 3: Cross multiply
    19,416.80x = 26,788.74 × 15,825.59
  4. Step 4: Simplify right side
    19,416.80x = 423,947,682.83
  5. Step 5: Solve for x
    x = 423,947,682.83/19,416.80
  6. Step 6: Final answer
    x = 21,834.06

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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.