Home / 25,177.74-34,741.47-15,103.98

Finding the Fourth Proportional to 25,177.74, 34,741.47 and 15,103.98

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Solution

The fourth proportional to 25,177.74, 34,741.47 and 15,103.98 is: 20,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.74 : 34,741.47 = 15,103.98 : x
  2. Step 2: Convert to fraction form
    25,177.74/34,741.47 = 15,103.98/x
  3. Step 3: Cross multiply
    25,177.74x = 34,741.47 × 15,103.98
  4. Step 4: Simplify right side
    25,177.74x = 524,734,468.05
  5. Step 5: Solve for x
    x = 524,734,468.05/25,177.74
  6. Step 6: Final answer
    x = 20,841.21

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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.