Home / 25,113.51-37,601.15-20,422.53

Finding the Fourth Proportional to 25,113.51, 37,601.15 and 20,422.53

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Solution

The fourth proportional to 25,113.51, 37,601.15 and 20,422.53 is: 30,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.51 : 37,601.15 = 20,422.53 : x
  2. Step 2: Convert to fraction form
    25,113.51/37,601.15 = 20,422.53/x
  3. Step 3: Cross multiply
    25,113.51x = 37,601.15 × 20,422.53
  4. Step 4: Simplify right side
    25,113.51x = 767,910,511.80
  5. Step 5: Solve for x
    x = 767,910,511.80/25,113.51
  6. Step 6: Final answer
    x = 30,577.59

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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.