Home / 25,172.56-34,738.89-13,841.47

Finding the Fourth Proportional to 25,172.56, 34,738.89 and 13,841.47

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Solution

The fourth proportional to 25,172.56, 34,738.89 and 13,841.47 is: 19,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.56 : 34,738.89 = 13,841.47 : x
  2. Step 2: Convert to fraction form
    25,172.56/34,738.89 = 13,841.47/x
  3. Step 3: Cross multiply
    25,172.56x = 34,738.89 × 13,841.47
  4. Step 4: Simplify right side
    25,172.56x = 480,837,303.77
  5. Step 5: Solve for x
    x = 480,837,303.77/25,172.56
  6. Step 6: Final answer
    x = 19,101.64

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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.