Home / 25,278.71-37,907.04-13,429.89

Finding the Fourth Proportional to 25,278.71, 37,907.04 and 13,429.89

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Solution

The fourth proportional to 25,278.71, 37,907.04 and 13,429.89 is: 20,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.71 : 37,907.04 = 13,429.89 : x
  2. Step 2: Convert to fraction form
    25,278.71/37,907.04 = 13,429.89/x
  3. Step 3: Cross multiply
    25,278.71x = 37,907.04 × 13,429.89
  4. Step 4: Simplify right side
    25,278.71x = 509,087,377.43
  5. Step 5: Solve for x
    x = 509,087,377.43/25,278.71
  6. Step 6: Final answer
    x = 20,138.98

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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.