Home / 25,172.12-34,736.62-13,841.52

Finding the Fourth Proportional to 25,172.12, 34,736.62 and 13,841.52

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Solution

The fourth proportional to 25,172.12, 34,736.62 and 13,841.52 is: 19,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.12 : 34,736.62 = 13,841.52 : x
  2. Step 2: Convert to fraction form
    25,172.12/34,736.62 = 13,841.52/x
  3. Step 3: Cross multiply
    25,172.12x = 34,736.62 × 13,841.52
  4. Step 4: Simplify right side
    25,172.12x = 480,807,620.46
  5. Step 5: Solve for x
    x = 480,807,620.46/25,172.12
  6. Step 6: Final answer
    x = 19,100.80

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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.