Home / 25,121.39-37,679.18-13,270.41

Finding the Fourth Proportional to 25,121.39, 37,679.18 and 13,270.41

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Solution

The fourth proportional to 25,121.39, 37,679.18 and 13,270.41 is: 19,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.39 : 37,679.18 = 13,270.41 : x
  2. Step 2: Convert to fraction form
    25,121.39/37,679.18 = 13,270.41/x
  3. Step 3: Cross multiply
    25,121.39x = 37,679.18 × 13,270.41
  4. Step 4: Simplify right side
    25,121.39x = 500,018,100.71
  5. Step 5: Solve for x
    x = 500,018,100.71/25,121.39
  6. Step 6: Final answer
    x = 19,904.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.