Home / 25,110.68-34,675.98-18,812.12

Finding the Fourth Proportional to 25,110.68, 34,675.98 and 18,812.12

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Solution

The fourth proportional to 25,110.68, 34,675.98 and 18,812.12 is: 25,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.68 : 34,675.98 = 18,812.12 : x
  2. Step 2: Convert to fraction form
    25,110.68/34,675.98 = 18,812.12/x
  3. Step 3: Cross multiply
    25,110.68x = 34,675.98 × 18,812.12
  4. Step 4: Simplify right side
    25,110.68x = 652,328,696.88
  5. Step 5: Solve for x
    x = 652,328,696.88/25,110.68
  6. Step 6: Final answer
    x = 25,978.14

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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.