Home / 25,277.20-37,904.79-13,428.38

Finding the Fourth Proportional to 25,277.20, 37,904.79 and 13,428.38

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Solution

The fourth proportional to 25,277.20, 37,904.79 and 13,428.38 is: 20,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.20 : 37,904.79 = 13,428.38 : x
  2. Step 2: Convert to fraction form
    25,277.20/37,904.79 = 13,428.38/x
  3. Step 3: Cross multiply
    25,277.20x = 37,904.79 × 13,428.38
  4. Step 4: Simplify right side
    25,277.20x = 509,000,069.06
  5. Step 5: Solve for x
    x = 509,000,069.06/25,277.20
  6. Step 6: Final answer
    x = 20,136.73

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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.