Home / 25,166.88-34,730.48-15,740.80

Finding the Fourth Proportional to 25,166.88, 34,730.48 and 15,740.80

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Solution

The fourth proportional to 25,166.88, 34,730.48 and 15,740.80 is: 21,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,166.88 : 34,730.48 = 15,740.80 : x
  2. Step 2: Convert to fraction form
    25,166.88/34,730.48 = 15,740.80/x
  3. Step 3: Cross multiply
    25,166.88x = 34,730.48 × 15,740.80
  4. Step 4: Simplify right side
    25,166.88x = 546,685,539.58
  5. Step 5: Solve for x
    x = 546,685,539.58/25,166.88
  6. Step 6: Final answer
    x = 21,722.42

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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.